Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
2601	Find the pH	35.0(mL)(of)1.25M(NaOH)(is)(neutralized)(by)53.6(mL)(of)(an)(HCI)(solution) , What (is)(the)(molarity)(of)(the)(HCI)(solution)	$35 (mL) (o f) \cdot 1.25 M (N a O H) (i s) (n e u t r a l i z e d) (b y) \cdot 53.6 (mL) (o f) (a n) (H C I) (s o l u t i o n)$ , What $(i s) (t h e) (m o l a r i t y) (o f) (t h e) (H C I) (s o l u t i o n)$
2602	Find the pH	0.76MH_2SO_4 solution	$0.76 M H_{2} S O_{4}$ solution
2603	Balance	Mg+NHO_3=Mg(NO_3)_2+N_2O+H_2O	$M g + N H O_{3} = M g {(N O_{3})}_{2} + N_{2} O + H_{2} O$
2604	Find the pH	What (is)(the)(pH)(of)a(solution)(that)(has)(an)(acid)(concentration)(of)*0.00055(Molar)	What $(i s) (t h e) (p H) (o f) a (s o l u t i o n) (t h a t) (h a s) (a n) (a c i d) (c o n c e n t r a t i o n) (o f) \cdot 0.00055 (M o l a r)$
2605	Find the pH	what (volume)(of)a(1.50M)(HCl)(solution)(should)(you)(use)(to)(prepare)(2.00L)(of)a*0.00M(HCl)(sokytion)	what $(v o l u m e) (o f) a (1.5 M) (H C l) (s o l u t i o n) (s h o u l d) (y o u) (u s e) (t o) (p r e p a r e) (2 L) (o f) a \cdot 0 M (H C l) (s o k y t i o n)$
2606	Find the pH	0.2MC_2H_5NH_2 solution	$0.2 M C_{2} H_{5} N H_{2}$ solution
2607	Find the pH	0.34MNH_4nH solution	$0.34 M N H_{4} n H$ solution
2608	Find the pH	0.4MC_3H_5n_2NH_2 solution	$0.4 M C_{3} H_{5} n_{2} N H_{2}$ solution
2609	Find the Number of Protons	Ag	$A g$
2610	Balance	MnO_2+KClO_3+KOH→K_2MnO_4+KCl+H_2O	$M n O_{2} + K C l O_{3} + K O H \to K_{2} M n O_{4} + K C l + H_{2} O$
2611	Balance	0.30x+0.75y=0.57(100)	$0.3 x + 0.75 y = 0.57 (100)$
2612	Find the Moles	How many mol of KMnn_4 are in 9L of 4.96M solution	How many moles of $K M n n_{4}$ are in $9 L$ of $4.96 M$ solution
2613	Find the Moles	How (many)(mol)(of)(NaOH)(are) in (0.0105L)(of)(0.15M)(solution)	How $(m a n y) (m o l e s) (o f) (N a O H) (a r e)$ in $(0.0105 L) (o f) (0.15 M) (s o l u t i o n)$
2614	Find the Moles	How many mol of MgO are produced when 7.2mol of O_2 react with excess Mg	How many moles of $M g O$ are produced when $7.2$ mole of $O_{2}$ react with excess $M g$
2615	Find the Moles	How (many)(mol)(of)(KCl)(are) in (10L)(of)(4.86M)(solution)	How $(m a n y) (m o l e s) (o f) (K C l) (a r e)$ in $(10 L) (o f) (4.86 M) (s o l u t i o n)$
2616	Find the Mass Percentages	C_2H_20NCl_3Br_5	$C_{2} H_{20} N C l_{3} B r_{5}$
2617	Find the Number of Protons	Sc	$S c$
2618	Encuentra la masa at�mica	56+96Mg	$56 + 96 M g$
2619	Find the Atomic Mass	Co	$C o$
2620	Find the Atomic Mass	0.02 molsMg	$0.02$ molsMg
2621	Find the Atomic Mass	Cd	$C d$
2622	Find the Atomic Mass	11.9(g)Al	$11.9 (g) A l$
2623	Find the Atomic Mass	14.2(mol)(of)Ba	$14.2 (m o l e s) (o f) B a$
2624	Find the Atomic Mass	2.50(mol)(of)He	$2.5 (m o l) (o f) H e$
2625	Find the Atomic Mass	2Ag	$2 A g$
2626	Find the Atomic Mass	2Mg	$2 M g$
2627	Find the Atomic Mass	4Mo	$4 M o$
2628	Find the Atomic Mass	4Ni	$4 N i$
2629	Find the Atomic Mass	Sn	$S n$
2630	Find the Atomic Mass	Ar	$A r$
2631	Find the Atomic Mass	68Sn	$68 S n$
2632	Find the Atomic Mass	749mmHg(air)(pressure)	$749 mm H g (a i r) (p r e s s u r e)$
2633	Find the Concentration	If (you)(have)210.3(g)(of)(an)(unknown)(comlb)(that)(contain)12.3(g)(of)(hydrogen)(what)(is)(the)(percent)(by)(mass)(of)(hydrogen) in (the)(comlb)	If $(y o u) (h a v e) \cdot 210.3 (g) (o f) (a n) (u n k n o w n) (c o m lbs) (t h a t) (c o n t a i n s) \cdot 12.3 (g) (o f) (h yds r o g e n) (w h a t) (i s) (t h e) (p e r c e n t) (b y) (m a s s) (o f) (h yds r o g e n)$ in $(t h e) (c o m lbs)$
2634	Find the Specific Heat	What (is)(the)(specific)(heat)(of)(the)(substan(ce))(if)(180cal)(increases)(the)(temperature)(of)(63g)(from)(40 degrees C)(to)(55 degrees C)	What $(i s) (t h e) (s p e c i f i c) (h e a t) (o f) (t h e) (s u b s \tan (c e)) (i f) (180 c a l) (i n c r e a s e s) (t h e) (t e m p e r a t u r e) (o f) (63 g) (f r o m) (40 ° C) (t o) (55 ° C)$
2635	Balance	Ca_3(PO_4)_2+SiO_2→CaSiO_3+P_4O_10	$C a_{3} {(P O_{4})}_{2} + S i O_{2} \to C a S i O_{3} + P_{4} O_{10}$
2636	Find the Mass Percentages	H_2O_2	$H_{2} O_{2}$
2637	Find the Concentration	what (are)(the)(significant)(digits)in*13.00	what $(a r e) (t h e) (s i g n i f i c a n t) (d i g i t s) i n \cdot 13$
2638	Find the Atomic Mass	Bh	$B h$
2639	Find the Atomic Mass	Br	$B r$
2640	Find the Atomic Mass	calculate (the)(mass)(of)9.37(times)10-3molMg	calculate $(t h e) (m a s s) (o f) \cdot 9.37 (t i m e s) \cdot 10 - 3 (m o l) M g$
2641	Find the Atomic Mass	Cf	$C f$
2642	Find the Density at STP	LiCI	$L i C I$
2643	Find the Density at STP	LiCl	$L i C l$
2644	Find the Density at STP	Lr	$L r$
2645	Find the Density at STP	MgCa	$M g C a$
2646	Find the Density at STP	Mgn	$M g n$
2647	Find the Density at STP	H_3PO_4	$H_{3} P O_{4}$
2648	Find the Density at STP	hCl+H_2O	$h C l + H_{2} O$
2649	Find the Density at STP	He	He
2650	Find the Density at STP	HF	$H F$
2651	Find the Density at STP	Hg	$H g$
2652	Find the Density at STP	Hf	$H f$
2653	Find the Density at STP	Ta	$T a$
2654	Find the Density at STP	Rn	$R n$
2655	Find the Density at STP	O_2	$O_{2}$
2656	Find the Density at STP	PbO	$P b O$
2657	Find the Density at STP	NaHSO_4	$N a H S O_{4}$
2658	Find the Density at STP	NbBh	$N b B h$
2659	Find the Density at STP	NH	$N H$
2660	Find the Partial Pressures (Dalton's Law)	183mm , 76% of Cn_2 , 67% of n_2 , 73% of Cl_2	$183 mm$ , $76 %$ of $C n_{2}$ , $67 %$ of $n_{2}$ , $73 %$ of $C l_{2}$
2661	Find the Partial Pressures (Dalton's Law)	628mm , 86% of Cn_2 , 87% of n_2 , 58% of Cl_2	$628 mm$ , $86 %$ of $C n_{2}$ , $87 %$ of $n_{2}$ , $58 %$ of $C l_{2}$
2662	Find the pH	0.12MH(C_2H_3O_2) solution	$0.12 M H (C_{2} H_{3} O_{2})$ solution
2663	Find the Heat Requirement	How (much)(heat)(is)(needed)(to)(warm)(44g)(of)(water)(from)(20 degrees C)(to)(30 degrees C)	How $(m u c h) (h e a t) (i s) (n e e d e d) (t o) (w a r m) (44 g) (o f) (w a t e r) (f r o m) (20 ° C) (t o) (30 ° C)$
2664	Find the Specific Heat	What (is)(the)(specific)(heat)(of)(the)(substan(ce))(if)(320cal)(increases)(the)(temperature)(of)(75g)(from)(10 degrees C)(to)(25 degrees C)	What $(i s) (t h e) (s p e c i f i c) (h e a t) (o f) (t h e) (s u b s \tan (c e)) (i f) (320 c a l) (i n c r e a s e s) (t h e) (t e m p e r a t u r e) (o f) (75 g) (f r o m) (10 ° C) (t o) (25 ° C)$
2665	Find the Specific Heat	What (is)(the)(spiecific)(heat)(of)(the)e(if)(230cal)(increases)(the)(tempierature)(of)(67g)(from)(25oC)(to)(35oC)	What $(i s) (t h e) (s π e c i f i c) (h e a t) (o f) (t h e) e (i f) (230 c a l) (i n c r e a s e s) (t h e) (t e m π e r a t u r e) (o f) (67 g) (f r o m) (25 o C) (t o) (35 o C)$
2666	Find the Specific Heat	What (is)(the)(spiecific)(heat)(of)(the)(subsce)(if)(270cal)(increases)(the)(tempierature)(of)(28g)(from)(10 degrees C)(to)(20 degrees C)	What $(i s) (t h e) (s π e c i f i c) (h e a t) (o f) (t h e) (s u b s c e) (i f) (270 c a l) (i n c r e a s e s) (t h e) (t e m π e r a t u r e) (o f) (28 g) (f r o m) (10 ° C) (t o) (20 ° C)$
2667	Find the Specific Heat	What (is)(the)(specific)(heat)(of)(the)(substan(ce))(if)(365cal)(increases)(the)(temperature)(of)(62g)(from)(25 degrees C)(to)(40 degrees C)	What $(i s) (t h e) (s p e c i f i c) (h e a t) (o f) (t h e) (s u b s \tan (c e)) (i f) (365 c a l) (i n c r e a s e s) (t h e) (t e m p e r a t u r e) (o f) (62 g) (f r o m) (25 ° C) (t o) (40 ° C)$
2668	Find the Specific Heat	What (is)(the)(spiecific)(heat)(of)(the)(substan(c)e)(if)(180cal)(increases)(the)(tempierature)(of)(63g)(from)(40 degrees C)(to)(55 degrees C)	What $(i s) (t h e) (s π e c i f i c) (h e a t) (o f) (t h e) (s u b s \tan (c) e) (i f) (180 c a l) (i n c r e a s e s) (t h e) (t e m π e r a t u r e) (o f) (63 g) (f r o m) (40 ° C) (t o) (55 ° C)$
2669	Balance	FeS_2+Na_2O_2=Fe_2O_3+Na_2SO_4+Na_2O	$F e S_{2} + N a_{2} O_{2} = F e_{2} O_{3} + N a_{2} S O_{4} + N a_{2} O$
2670	Find the pH	0.1MNa_3PO_4 solution	$0.1 M N a_{3} P O_{4}$ solution
2671	Find the Density at STP	TcEs	$T c E s$
2672	Find the Density at STP	Ti	$T i$
2673	Find the Number of Protons	Ni	$N i$
2674	Find the pH	an (aqueous)(solution)(is)(labeled)(as)*0.25m(NaCL)	an $(a q u e o u s) (s o l u t i o n) (i s) (l a b e l e d) (a s) \cdot 0.25 m (N a C L)$
2675	Find the pH	Calculate (the)(pH)(of)a(buffer)(solution)(that)(contain)0.25M(benzoic)(acidand0.15M)(sodium)(benzoate)	Calculate $(t h e) (p H) (o f) a (b u f f e r) (s o l u t i o n) (t h a t) (c o n t a i n s) \cdot 0.25 M (b e n z o i c) (a c i d a n d \cdot 0.15 M) (s o d i u m) (b e n z o a t e)$
2676	Find the pH	Calculate (the)(pH)(of)a(solution)(of)(4.0M)(HF)	Calculate $(t h e) (p H) (o f) a (s o l u t i o n) (o f) (4 M) (H F)$
2677	Find the pH	Determine the pH of a*0.40MCH_2CO_2H solution	Determine the $p H$ of $a \cdot 0.4 M C H_{2} C O_{2} H$ solution
2678	Find the pH	Determine the pH of a*0.40MCH_3CO_2H solution	Determine the $p H$ of $a \cdot 0.4 M C H_{3} C O_{2} H$ solution
2679	Find the pH	Determine the pOH of a*0.0034MHNO_3 solutions.	Determine the pOH of $a \cdot 0.0034 M H N O_{3}$ solutions.
2680	Find the pH	H_2O solution	$H_{2} O$ solution
2681	Find the pH	what (is)(the)(molarity)(of)a(solution)(tha)(contain)28(g)(of)(KOH)in2L(of)(water)	what $(i s) (t h e) (m o l a r i t y) (o f) a (s o l u t i o n) (t h a) (c o n t a i n s) \cdot 28 (g) (o f) (K O H) i n \cdot 2 L (o f) (w a t e r)$
2682	Find the pH	How (many)(gal)(of)(distilled)(water)(must)(be)(mixed)*50(gal)(of)30%(alcohol)(solution)(to)(obtain)a25%(solution)	How $(m a n y) (gal) (o f) (d i s t i l l e d) (w a t e r) (μ s t) (b e) (mi x e d) \cdot 50 (gal) (o f) 30 % (a l c o h o l) (s o l u t i o n) (t o) (o b t a i n) a 25 % (s o l u t i o n)$
2683	Find the pH	0.500MNH_3 solution	$0.5 M N H_{3}$ solution
2684	Find the pH	0.64MH_3Bn_3 solution	$0.64 M H_{3} B n_{3}$ solution
2685	Find the pH	0.76MH_2Sn_4 solution	$0.76 M H_{2} S n_{4}$ solution
2686	Determine if the Compound is Soluble in Water	HO	$H O$
2687	Determine if the Compound is Soluble in Water	HOH	$H O H$
2688	Determine if the Compound is Soluble in Water	HOO	$H O O$
2689	Determine if the Compound is Soluble in Water	IBr	$I B r$
2690	Determine if the Compound is Soluble in Water	K_2O	$K_{2} O$
2691	Determine if the Compound is Soluble in Water	K_3PO_4	$K_{3} P O_{4}$
2692	Determine if the Compound is Soluble in Water	KHO	$K H O$
2693	Determine if the Compound is Soluble in Water	MgF_2	$M g F_{2}$
2694	Determine if the Compound is Soluble in Water	Mn(OH)	$M n (O H)$
2695	Determine if the Compound is Soluble in Water	LiBr	$L i B r$
2696	Determine if the Compound is Soluble in Water	LiCl	$L i C l$
2697	Determine if the Compound is Soluble in Water	LiF	$L i F$
2698	Determine if the Compound is Soluble in Water	LiH	$L i H$
2699	Determine if the Compound is Soluble in Water	NaHCO_3	$N a H C O_{3}$
2700	Determine if the Compound is Soluble in Water	name the following compound Ca(NO_3)_2	name the following compound $C a {(N O_{3})}_{2}$