Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
301	Determine if the Compound is Soluble in Water	PbSO_4	$P b S O_{4}$
302	Find the Density at STP	H_2SO_4	$H_{2} S O_{4}$
303	Find the Atomic Mass	Al	$A l$
304	Find the Atomic Mass	C	$C$
305	Find the Atomic Mass	Ca	$C a$
306	Find the pH	Ifa solution(containing)28.23g(of)(mercury(II))(chlorate)(is)(allowed)(to)(react)(compilete(ly))(with)a(solution)(containing)7.410g(of)(sodium)(sulfate)(how)(many)g(of)(solid)(pirecipiitate)(will)(be)(formed)	Ifa $(s o l u t i o n) (c o n t a i n i n g) \cdot 28.23 g (o f) (m e r c u r y (I I)) (c h l o r a t e) (i s) (a l l o w e d) (t o) (r e a c t) (c o m π l e t e l y) (w i t h) a (s o l u t i o n) (c o n t a i n i n g) \cdot 7.41 g (o f) (s o d i u m) (s u l f a t e) (h o w) (m a n y) (g) (o f) (s o l i d) (π r e c i π i t a t e) (w i l l) (b e) (f o r m e d)$
307	Balance	Na+Cl_2→NaCl	$N a + C l_{2} \to N a C l$
308	Balance	N_2+H_2→NH_3	$N_{2} + H_{2} \to N H_{3}$
309	Balance	Mg+o_2→MgO	$M g + o_{2} \to M g O$
310	Balance	NaNO_3→NaNO_2+O_2	$N a N O_{3} \to N a N O_{2} + O_{2}$
311	Balance	SO_2+O_2→SO_3	$S O_{2} + O_{2} \to S O_{3}$
312	Balance	Zn+HCl→ZnCl_2+H_2	$Z n + H C l \to Z n C l_{2} + H_{2}$
313	Find the Oxidation Numbers	HCl	$H C l$
314	Find the Oxidation Numbers	HNO_3	$H N O_{3}$
315	Find the Oxidation Numbers	NH_4	$N H_{4}$
316	Find the Density at STP	CO_2	$C O_{2}$
317	Find the Oxidation Numbers	CH_4	$C H_{4}$
318	Find the Oxidation Numbers	C	$C$
319	Find the Oxidation Numbers	AgNO_3	$A g N O_{3}$
320	Find the Oxidation Numbers	Fe	$F e$
321	Find the Number of Protons	Mo	$M o$
322	Find the Oxidation Numbers	NO_3	$N O_{3}$
323	Find the Density at STP	Fe	$F e$
324	Find the Density at STP	Be	Be
325	Find the Oxidation Numbers	Tc	$T c$
326	Find the Density at STP	C	$C$
327	Find the Oxidation Numbers	HClO	$H C l O$
328	Find the Oxidation Numbers	H_2O_2	$H_{2} O_{2}$
329	Find the Oxidation Numbers	HBr	$H B r$
330	Find the Oxidation Numbers	KMnO_4	$K M n O_{4}$
331	Find the Oxidation Numbers	NaOH	$N a O H$
332	Find the Oxidation Numbers	Na_2CO_3	$N a_{2} C O_{3}$
333	Balance	AL+O_2→AL_2O_3	$A L + O_{2} \to A L_{2} O_{3}$
334	Simplify	Na+O	$N a + O$
335	Balance	S_8+O_2→SO_3	$S_{8} + O_{2} \to S O_{3}$
336	Balance	p→q	$p \to q$
337	Balance	P_4+O_2→P_2O_5	$P_{4} + O_{2} \to P_{2} O_{5}$
338	Balance	P_4O_10+H_2O→H_3PO_4	$P_{4} O_{10} + H_{2} O \to H_{3} P O_{4}$
339	Balance	c+s_8=cs_2	$c + s_{8} = c s_{2}$
340	Balance	N_2(g)+O_2(g)→2NO(g)	$N_{2} (g) + O_{2} (g) \to 2 N O (g)$
341	Balance	n_2+o_2→n_2o	$n_{2} + o_{2} \to n_{2} o$
342	Balance	N_2+3H_2→2NH_3	$N_{2} + 3 H_{2} \to 2 N H_{3}$
343	Balance	K+MgBr→KBr+Mg	$K + M g B r \to K B r + M g$
344	Balance	KCIO_3→KCI+O_2	$K C I O_{3} \to K C I + O_{2}$
345	Balance	H_3PO_4→H_4P_2O_7+H_2O	$H_{3} P O_{4} \to H_{4} P_{2} O_{7} + H_{2} O$
346	Balance	HCl+NaOH→NaCl+H_2O	$H C l + N a O H \to N a C l + H_{2} O$
347	Balance	HA+B(nH)→H_2n+BA	$H A + B n H \to H_{2} n + B A$
348	Find the Atomic Mass	Be	Be
349	Find the Density at STP	Mg	$M g$
350	Find the Density at STP	O	$O$
351	Find the Density at STP	Tc	$T c$
352	Determine if the Compound is Soluble in Water	Si	$S i$
353	Determine if the Compound is Soluble in Water	NaF	$N a F$
354	Determine if the Compound is Soluble in Water	KCl	$K C l$
355	Determine if the Compound is Soluble in Water	Li	$L i$
356	Determine if the Compound is Soluble in Water	Mg	$M g$
357	Determine if the Compound is Soluble in Water	CuSO_4	$C u S O_{4}$
358	Determine if the Compound is Soluble in Water	Cu	$C u$
359	Find the Atomic Number	Au	$A u$
360	Find the Atomic Number	C	$C$
361	Find the Atomic Mass	Re	$R e$
362	Find the Atomic Mass	Nb	$N b$
363	Find the Atomic Mass	Hg	$H g$
364	Find the Atomic Mass	Ga	$G a$
365	Find the Atomic Number	Ir	$I r$
366	Find the Atomic Number	O	$O$
367	Find the Atomic Number	Os	$O s$
368	Find the Empirical/Simplest Formula	HCl	$H C l$
369	Find the Empirical/Simplest Formula	Hg	$H g$
370	Find the Empirical/Simplest Formula	Si	$S i$
371	Find the Empirical/Simplest Formula	CO	$C O$
372	Simplify	Y	$Y$
373	Solve for x	xy=k	$x y = k$
374	Simplify	NaCl+H_2O	$N a C l + H_{2} O$
375	Simplify	NaOH+H_2SO_4	$N a O H + H_{2} S O_{4}$
376	Simplify	NaOH+HCl	$N a O H + H C l$
377	Simplify	na	$n a$
378	Simplify	h_2+O	$h_{2} + O$
379	Simplify	Lv	$L v$
380	Simplify	vhkghkghvkgv	$v h kg h kg h v kg v$
381	Evaluate	0.62	$0.62$
382	Simplify	Fe+O_2	$F e + O_{2}$
383	Simplify	H_2+O	$H_{2} + O$
384	Simplify	h_2+o_2	$h_{2} + o_{2}$
385	Simplify	fe	$f e$
386	Simplify	co_2	$c o_{2}$
387	Simplify	H+OH	$H + O H$
388	Simplify	H+O+O	$H + O + O$
389	Simplify	C+O	$C + O$
390	Simplify	C+O_2	$C + O_{2}$
391	Convert to Kilograms	189g	$189 g$
392	Find the Number of Protons	B	$B$
393	Find the Number of Protons	Cl	$C l$
394	Find the Number of Protons	Co	$C o$
395	Find the Number of Protons	Ga	$G a$
396	Find the Number of Neutrons	Ta	$T a$
397	Find the Mass of a Single Atom	Cf	$C f$
398	Find the Number of Neutrons	Zr	$Z r$
399	Find the Number of Neutrons	F	$F$
400	Find the Number of Neutrons	Ra	$R a$