Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
801	Evaluate	0.0003	$0.0003$
802	Find the pH	0.66MH(C_2H_3O_2) solution	$0.66 M H (C_{2} H_{3} O_{2})$ solution
803	Evaluate	673.5	$673.5$
804	Simplify	O_2+C	$O_{2} + C$
805	Determine if the Compound is Soluble in Water	CaCO_3	$C a C O_{3}$
806	Simplify	Li+Be	$L i + B e$
807	Simplify	Mg+Cl	$M g + C l$
808	Simplify	MgO+H_2O	$M g O + H_{2} O$
809	Simplify	Li+O	$L i + O$
810	Simplify	m	$m$
811	Simplify	Mo*6	$M o \cdot 6$
812	Simplify	NaCl+H_2SO_4	$N a C l + H_{2} S O_{4}$
813	Simplify	Na_2CO_3+H_2O	$N a_{2} C O_{3} + H_{2} O$
814	Simplify	nh_3	$n h_{3}$
815	Simplify	Nb+Au	$N b + A u$
816	Simplify	Nb+Be	$N b + B e$
817	Simplify	NaOH+CO_2	$N a O H + C O_{2}$
818	Simplify	O+H	$O + H$
819	Simplify	Sb-NaSe	$S b - N a S e$
820	Evaluate	75.1(cubic)(m)	$75.1 (c u b i c) (m)$
821	Evaluate	116.8	$116.8$
822	Evaluate	2.345*4.48697	$2.345 \cdot 4.48697$
823	Evaluate	864(1259-(3.58105))	$864 \cdot (1259 - (3.58 \cdot 105))$
824	Evaluate	(0-10)(3-7)	$(0 - 10) (3 - 7)$
825	Evaluate	(87.9-23.822)÷0.0045	$(87.9 - 23.822) \div 0.0045$
826	Evaluate	2.21*6.85	$2.21 \cdot 6.85$
827	Evaluate	6.07	$6.07$
828	Simplify	Os+Ni	$O s + N i$
829	Evaluate	60.1	$60.1$
830	Evaluate	7.245	$7.245$
831	Evaluate	811.40	$811.4$
832	Evaluate	255.98612	$255.98612$
833	Evaluate	\|7+8\|	$\| 7 + 8 \|$
834	Evaluate	(12.89)(6.09)(8.56)	$(12.89) (6.09) (8.56)$
835	Evaluate	0.000643	$0.000643$
836	Evaluate	0.001125	$0.001125$
837	Evaluate	11550	$11550$
838	Evaluate	67(mols)	$67 (m o l s)$
839	Evaluate	121021	$12 \cdot 10 \cdot 21$
840	Evaluate	14.57+1.2	$14.57 + 1.2$
841	Evaluate	144*15	$144 \cdot 15$
842	Evaluate	15*48	$15 \cdot 48$
843	Evaluate	1849	$1849$
844	Evaluate	19.500-17.8	$19.5 - 17.8$
845	Evaluate	1901045	$190 \cdot 10 \cdot 45$
846	Evaluate	2.03.01.4	$2 \cdot 3 \cdot 1.4$
847	Evaluate	2.83	$2.83$
848	Evaluate	101010*10	$10 \cdot 10 \cdot 10 \cdot 10$
849	Evaluate	0.0105	$0.0105$
850	Evaluate	-10+34	$- 10 + 34$
851	Evaluate	0.060(mol)	$0.06 (m o l e s)$
852	Evaluate	0.066	$0.066$
853	Evaluate	0.10	$0.1$
854	Evaluate	0.32119.87(3.200*444)	$0.3211 \cdot 9.87 \cdot (3.2 \cdot 444)$
855	Evaluate	0.34*0.568	$0.34 \cdot 0.568$
856	Evaluate	0.75*88	$0.75 \cdot 88$
857	Evaluate	0.9003.46.5	$0.9 \cdot 3.4 \cdot 6.5$
858	Solve for h	3.5=- log of h	$3.5 = - \log (h)$
859	Determine if the Compound is Soluble in Water	CH_3	$C H_{3}$
860	Find the pH	0.88MC_2H_5NH_2 solution	$0.88 M C_{2} H_{5} N H_{2}$ solution
861	Solve for x1	2x_1+9x_2=30	$2 x_{1} + 9 x_{2} = 30$
862	Simplify	55*60	$55 \cdot 60$
863	Solve for t	4t-3(t-2)=t+6	$4 t - 3 (t - 2) = t + 6$
864	Determine if the Compound is Soluble in Water	FeO	$F e O$
865	Find the Number of Protons	Kr	$K r$
866	Simplify	n_2+o_2	$n_{2} + o_{2}$
867	Simplify	o+o	$o + o$
868	Solve for x	log of x=-8.15	$\log (x) = - 8.15$
869	Simplify	2Na_3PO_4(aq)+3BaCl(aq)	$2 N a_{3} P O_{4} (a q) + 3 B a C l (a q)$
870	Simplify	CH_4+Cl_2	$C H_{4} + C l_{2}$
871	Find the Number of Protons	Ru	$R u$
872	Simplify	Zn+S	$Z n + S$
873	Simplify	2c+3d-4f	$2 c + 3 d - 4 f$
874	Simplify	Os+Sr	$O s + S r$
875	Simplify	sin(2)*4	$\sin (2) \cdot 4$
876	Simplify	k_2cl_4	$k_{2} c l_{4}$
877	Simplify	MLvd	$M L v d$
878	Simplify	Na_2CO_3(aq)+FeCl(aq)	$N a_{2} C O_{3} (a q) + F e C l (a q)$
879	Find the Oxidation Numbers	C_6H_6	$C_{6} H_{6}$
880	Simplify	CuSO_4*5H_2O	$C u S O_{4} \cdot 5 H_{2} O$
881	Simplify	7x_72+8	$7 x_{72} + 8$
882	Simplify	Al+MnO_2	$A l + M n O_{2}$
883	Simplify	wh	$w h$
884	Simplify	H_2O+CO_2	$H_{2} O + C O_{2}$
885	Simplify	0.9*0.18	$0.9 \cdot 0.18$
886	Find the Oxidation Numbers	MnSO_4	$M n S O_{4}$
887	Simplify	(x-5y)(x+5y)	$(x - 5 y) (x + 5 y)$
888	Simplify	Be	Be
889	Find the Oxidation Numbers	H_2CO	$H_{2} C O$
890	Simplify	33x+6	$33 x + 6$
891	Find the Number of Molecules	how (many)(atoms)(are) in (10g)(of)K	how $(m a n y) (a t o m s) (a r e)$ in $(10 g) (o f) K$
892	Find the Number of Molecules	cuantas (mol)(hay)(en)(300g)	cuantas $(m o l e s) (h a y) (e n) (300 g)$
893	Find the pH	0.92MH(C_2H_3O_2) solution	$0.92 M H (C_{2} H_{3} O_{2})$ solution
894	Find the pH	0.6MNH_3(NH_4OH) solution	$0.6 M N H_{3} (N H_{4} O H)$ solution
895	Find the Mass	Usin(g) the formula Al(OH)_3+3HCl=AlCl_3+H_2O find the mass of HCl given the mass of Al(OH)_3 is 0.25g	Using the formula $A l {(O H)}_{3} + 3 H C l = A l C l_{3} + H_{2} O$ find the mass of $H C l$ given the mass of $A l {(O H)}_{3}$ is $0.25 g$
896	Determine if the Compound is Soluble in Water	Pb	$P b$
897	Find the Mass of 1 Mole	MnFe	$M n F e$
898	Find the Mass Percentages	NH_3	$N H_{3}$
899	Simplify	6C_1	$6 C_{1}$
900	Find the Specific Heat	What (is)(the)(specific)(heat)(of)(the)(substan(ce))(if)(130cal)(increases)(the)(temperature)(of)(86g)(from)(40 degrees C)(to)(50 degrees C)	What $(i s) (t h e) (s p e c i f i c) (h e a t) (o f) (t h e) (s u b s \tan (c e)) (i f) (130 c a l) (i n c r e a s e s) (t h e) (t e m p e r a t u r e) (o f) (86 g) (f r o m) (40 ° C) (t o) (50 ° C)$