Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
2501	Balance	m-7g=9g	$m - 7 g = 9 g$
2502	Balance	Zn+KNO_3+HCl→ZnCl_2+KCl+NH_4Cl+H_2O	$Z n + K N O_{3} + H C l \to Z n C l_{2} + K C l + N H_{4} C l + H_{2} O$
2503	Balance	Mg(NO_3)_2→MgO+NO_2+O_2	$M g {(N O_{3})}_{2} \to M g O + N O_{2} + O_{2}$
2504	Balance	Mg(NO_3)_2+CaI_2→Ca(NO_3)_2+MgI_2	$M g {(N O_{3})}_{2} + C a I_{2} \to C a {(N O_{3})}_{2} + M g I_{2}$
2505	Balance	Mg(NO_3)_2+KOH→Mg(OH)_2+KNO_3	$M g {(N O_{3})}_{2} + K O H \to M g {(O H)}_{2} + K N O_{3}$
2506	Balance	KOH+H_3PO_4=K_3PO_4+H_2O	$K O H + H_{3} P O_{4} = K_{3} P O_{4} + H_{2} O$
2507	Balance	KOH+HBr→KBr+H_2O	$K O H + H B r \to K B r + H_{2} O$
2508	Balance	KOH+HC_1=KC_1+H_2O	$K O H + H C_{1} = K C_{1} + H_{2} O$
2509	Balance	KOH+HCl→KCl+3H_2O	$K O H + H C l \to K C l + 3 H_{2} O$
2510	Balance	KOH+HCl→KCl+H_2O	$K O H + H C l \to K C l + H_{2} O$
2511	Balance	KOH+HCl=H_2O+KCl	$K O H + H C l = H_{2} O + K C l$
2512	Balance	kp = natural log of -12.86	$k p = \ln (- 12.86)$
2513	Balance	KS+MgO→KO+MgS	$K S + M g O \to K O + M g S$
2514	Balance	Li(s)+N_2(g)→Li_3N(s)	$L i (s) + N_{2} (g) \to L i_{3} N (s)$
2515	Balance	Li_2O+H_2O→LiOH	$L i_{2} O + H_{2} O \to L i O H$
2516	Balance	Li_3N+H_2O→LiOH+NHI_3	$L i_{3} N + H_{2} O \to L i O H + N H I_{3}$
2517	Balance	Li+Br_2→LiBr	$L i + B r_{2} \to L i B r$
2518	Balance	Li+Cl_2→LiCl	$L i + C l_{2} \to L i C l$
2519	Balance	Li+CO_2+H_2O→LiHCO_3+H_3	$L i + C O_{2} + H_{2} O \to L i H C O_{3} + H_{3}$
2520	Balance	KClO_3→KCl+O_2	$K C l O_{3} \to K C l + O_{2}$
2521	Balance	H→H_2o	$H \to H_{2} o$
2522	Balance	KClO_3→KCl+KCl_4	$K C l O_{3} \to K C l + K C l_{4}$
2523	Balance	kcl+f→fcl+k	$k c l + f \to f c l + k$
2524	Balance	KCl+Mg(OH)_2→K(OH)+MgCl_2	$K C l + M g {(O H)}_{2} \to K (O H) + M g C l_{2}$
2525	Balance	KCl+O_2=KClO_3	$K C l + O_{2} = K C l O_{3}$
2526	Balance	I+Cl→ICl_3	$I + C l \to I C l_{3}$
2527	Balance	I_2+HNO_3=HIO_3+NO_2+H_2	$I_{2} + H N O_{3} = H I O_{3} + N O_{2} + H_{2}$
2528	Balance	H_3PO_4+Ca(OH)_2→H_2O+Ca_3(PO_4)_2	$H_{3} P O_{4} + C a {(O H)}_{2} \to H_{2} O + C a_{3} {(P O_{4})}_{2}$
2529	Balance	K→Ca	$K \to C a$
2530	Balance	K_3PO_4+Ba(NO_3)_2→KNO_3+Ba_3(PO_4)_2	$K_{3} P O_{4} + B a {(N O_{3})}_{2} \to K N O_{3} + B a_{3} {(P O_{4})}_{2}$
2531	Balance	ho→3h	$h o \to 3 h$
2532	Balance	ho→ho	$h o \to h o$
2533	Balance	Ho+H_2O→Ho(OH)_3+H_2	$H o + H_{2} O \to H o {(O H)}_{3} + H_{2}$
2534	Balance	MgBr_2+K→KBr+Mg	$M g B r_{2} + K \to K B r + M g$
2535	Balance	HS+Db=HDb+S	$H S + D b = H D b + S$
2536	Balance	HNO_3+CaOH_2→Ca(NO_3)*2+H_2O	$H N O_{3} + C a O H_{2} \to C a (N O_{3}) \cdot 2 + H_{2} O$
2537	Balance	HNO_3+H_2O=HNO_2+NO+H_2O	$H N O_{3} + H_{2} O = H N O_{2} + N O + H_{2} O$
2538	Balance	HNO_3+H_2S→S+NO+H_2O	$H N O_{3} + H_{2} S \to S + N O + H_{2} O$
2539	Balance	HNO_3+I_2→NO_2+H_2O+HIO_3	$H N O_{3} + I_{2} \to N O_{2} + H_{2} O + H I O_{3}$
2540	Balance	HNO_3+Mg(OH)_2=H_2O+Mg(NO_3)_2	$H N O_{3} + M g {(O H)}_{2} = H_{2} O + M g {(N O_{3})}_{2}$
2541	Balance	FeSO_4+KMnO_4→Fe(MnO_4)_2+K_2SO_4	$F e S O_{4} + K M n O_{4} \to F e {(M n O_{4})}_{2} + K_{2} S O_{4}$
2542	Balance	HgO=Hg+O_2	$H g O = H g + O_{2}$
2543	Balance	H_3PO_4+NaBr→HBr+Na_3PO_4	$H_{3} P O_{4} + N a B r \to H B r + N a_{3} P O_{4}$
2544	Balance	HCl+O_2→H_2O+Cl_2	$H C l + O_{2} \to H_{2} O + C l_{2}$
2545	Balance	HCl=FeCl_2	$H C l = F e C l_{2}$
2546	Balance	HClO_3+NaOH→NaCl+H_2O	$H C l O_{3} + N a O H \to N a C l + H_{2} O$
2547	Balance	HClO_4(aq)+NaOH(aq)→H_2O(l)+NaClO_4(aq)	$H C l O_{4} (a q) + N a O H (a q) \to H_{2} O (l) + N a C l O_{4} (a q)$
2548	Balance	HClO_4+SO_2+H_20=NO_2+H_2O	$H C l O_{4} + S O_{2} + H_{20} = N O_{2} + H_{2} O$
2549	Balance	HClO_4+SO_2+H_2O=HCl+H_2O	$H C l O_{4} + S O_{2} + H_{2} O = H C l + H_{2} O$
2550	Balance	He+Mg→H_2O_2	$H e + M g \to H_{2} O_{2}$
2551	Balance	HF(aq)+H_2O→H_3O+F	$H F (a q) + H_{2} O \to H_{3} O + F$
2552	Balance	HF+Ba(OH)_2→BaF_2+H_2O	$H F + B a {(O H)}_{2} \to B a F_{2} + H_{2} O$
2553	Balance	HF+NaOH→NaF+H(2O)	$H F + N a O H \to N a F + H (2 O)$
2554	Balance	Hg(OH)_2+H_3PO_4→Hg_3(PO_4)_2	$H g {(O H)}_{2} + H_{3} P O_{4} \to H g_{3} {(P O_{4})}_{2}$
2555	Balance	Hg(OH)_2+H_3PO_4→Hg_3(PO_4)_2+H_2O	$H g {(O H)}_{2} + H_{3} P O_{4} \to H g_{3} {(P O_{4})}_{2} + H_{2} O$
2556	Balance	Hg→CaSn	$H g \to C a S n$
2557	Balance	Hg+HNO_3+HCLg→HgCl_2+NO+H_2O	$H g + H N O_{3} + H C L g \to H g C l_{2} + N O + H_{2} O$
2558	Balance	Hg+O→HgO	$H g + O \to H g O$
2559	Balance	Hg_2I_2+O_2→Hg_2O+I_2	$H g_{2} I_{2} + O_{2} \to H g_{2} O + I_{2}$
2560	Balance	HgCl_2+K(2S)→KCL+Hg_2S_2	$H g C l_{2} + K (2 S) \to K C L + H g_{2} S_{2}$
2561	Balance	H_2SO_4+Pb(OH)_4→Pb(SO_4)_2+H_2O	$H_{2} S O_{4} + P b {(O H)}_{4} \to P b {(S O_{4})}_{2} + H_{2} O$
2562	Balance	H_3→PO_4	$H_{3} \to P O_{4}$
2563	Balance	H_3A+3NaOH→3H_2O+NaA	$H_{3} A + 3 N a O H \to 3 H_{2} O + N a A$
2564	Balance	H_3AsO_4→As_2O_5+H_2O	$H_{3} A s O_{4} \to A s_{2} O_{5} + H_{2} O$
2565	Balance	H_3PO_4(aq)+NaOHaq→Na_3PO_4(aq)+H_2O(l)	$H_{3} P O_{4} (a q) + N a O H a q \to N a_{3} P O_{4} (a q) + H_{2} O (l)$
2566	Balance	H_2C_2O_4+CaCl_2→CaC_2O_4+HCl	$H_{2} C_{2} O_{4} + C a C l_{2} \to C a C_{2} O_{4} + H C l$
2567	Balance	NaOH+H_2O→HOH+NaO	$N a O H + H_{2} O \to H O H + N a O$
2568	Balance	H_2O+AgI=Ag+H_2OI	$H_{2} O + A g I = A g + H_{2} O I$
2569	Balance	HBr→H+Br	$H B r \to H + B r$
2570	Balance	HBr+CaSO_3→SO_2+H_2O+CAaBr_2	$H B r + C a S O_{3} \to S O_{2} + H_{2} O + C A a B r_{2}$
2571	Balance	HBr+KHCO_3→H_2O+KBr+CO_2	$H B r + K H C O_{3} \to H_{2} O + K B r + C O_{2}$
2572	Balance	HBr+NaOH→NaBr+H_2O	$H B r + N a O H \to N a B r + H_{2} O$
2573	Balance	HCI+NaOH=NaCl+H_2O	$H C I + N a O H = N a C l + H_{2} O$
2574	Balance	HCl→NaOH	$H C l \to N a O H$
2575	Balance	HCl+AgNO_3→HNO_3+AgCl	$H C l + A g N O_{3} \to H N O_{3} + A g C l$
2576	Balance	HCl+Al→AlCl_3	$H C l + A l \to A l C l_{3}$
2577	Balance	HCl+Ba(OH)_2→BaCl_2+H(OH)	$H C l + B a {(O H)}_{2} \to B a C l_{2} + H (O H)$
2578	Balance	HCl+CaCO_3→H_2O+CO_2+CaCl_2	$H C l + C a C O_{3} \to H_{2} O + C O_{2} + C a C l_{2}$
2579	Balance	HCl+Fe_2O_3→FeCl_3+H_2O	$H C l + F e_{2} O_{3} \to F e C l_{3} + H_{2} O$
2580	Balance	HCl+Mg→MgCl+H	$H C l + M g \to M g C l + H$
2581	Balance	HCl+MgO→a+b	$H C l + M g O \to a + b$
2582	Balance	HCl+MnO_2→MnCl_2+H_2O+Cl_2	$H C l + M n O_{2} \to M n C l_{2} + H_{2} O + C l_{2}$
2583	Balance	NH_4Cl+Ba(OH)_2→BaCl_2+NH_3+2H_2O	$N H_{4} C l + B a {(O H)}_{2} \to B a C l_{2} + N H_{3} + 2 H_{2} O$
2584	Balance	HCl+NaHCO_3→NaCl+H_2O+CO_2	$H C l + N a H C O_{3} \to N a C l + H_{2} O + C O_{2}$
2585	Balance	HCl+NaHSO_3→NaCl+HSO_3	$H C l + N a H S O_{3} \to N a C l + H S O_{3}$
2586	Find the Concentration	Find (the)(concentration)(of)(8g)(of)(NaCl) in (46L)(of)(solution)	Find $(t h e) (c o n c e n t r a t i o n) (o f) (8 g) (o f) (N a C l)$ in $(46 L) (o f) (s o l u t i o n)$
2587	Find the Concentration	How (many)(g)(of)(sulfuric)(acid)(are)in5(mL)(of)3.2M(acid)	How $(m a n y) (g) (o f) (s u l f u r i c) (a c i d) (a r e) i n \cdot 5 (mL) (o f) \cdot 3.2 M (a c i d)$
2588	Find the Concentration	how (many)(mol)(are)in*400(mL)(og)(nacl)	how $(m a n y) (m o l e s) (a r e) i n \cdot 400 (mL) (o g) (n a c l)$
2589	Find the Concentration	how (many)(oz)(are)in*0.824(ki log of rams)	how $(m a n y) (oz) (a r e) i n \cdot 0.824 (k i \log (r a m s))$
2590	Find the Concentration	How many total atoms are in the formula AL_3(CO_3)_3	How many total atoms are in the formula $A L_{3} {(C O_{3})}_{3}$
2591	Determine if the Compound is Soluble in Water	N_2	$N_{2}$
2592	Find the Concentration	Calculate (the)(mass)in*0.275(mol)(of)(mercury)	Calculate $(t h e) (m a s s) i n \cdot 0.275 (m o l) (o f) (m e r c u r y)$
2593	Find the Concentration	Find (the)(concentration)(of)(0.009g)(of)(NaCl) in (0.025L)(of)(solution)	Find $(t h e) (c o n c e n t r a t i o n) (o f) (0.009 g) (o f) (N a C l)$ in $(0.025 L) (o f) (s o l u t i o n)$
2594	Find the Concentration	Find (the)(concentration)(of)(2g)(of)(NaCl) in (18L)(of)(solution)	Find $(t h e) (c o n c e n t r a t i o n) (o f) (2 g) (o f) (N a C l)$ in $(18 L) (o f) (s o l u t i o n)$
2595	Find the pH	molality (of)(vinyl)(methyl)(ether) in (aqueous)(solution)	molality $(o f) (v i n y l) (m e t h y l) (e t h e r)$ in $(a q u e o u s) (s o l u t i o n)$
2596	Find the pH	NH_4Br solution	$N H_{4} B r$ solution
2597	Find the pH	What (is)(the)(concentration)(of)(an)(HCl)(solution)(if)44.60(mL)(of)(the)(HCl)(solution)(is)(required)(to)(reach)(the)(endpoint)(with)38.09(mL)(of)*0.2969M(NaOH)(solution)	What $(i s) (t h e) (c o n c e n t r a t i o n) (o f) (a n) (H C l) (s o l u t i o n) (i f) \cdot 44.6 (mL) (o f) (t h e) (H C l) (s o l u t i o n) (i s) (r e q u i r e d) (t o) (r e a c h) (t h e) (e n d p o i n t) (w i t h) \cdot 38.09 (mL) (o f) \cdot 0.2969 M (N a O H) (s o l u t i o n)$
2598	Find the pH	what is the pH of a*0.34M solution of HNO_3	what is the $p H$ of $a \cdot 0.34 M$ solution of $H N O_{3}$
2599	Find the pH	what (is)(the)(pOH)(of)a*0.848M(solution)(of)(citric)(acid)	what $(i s) (t h e) (p O H) (o f) a \cdot 0.848 M (s o l u t i o n) (o f) (c i t r i c) (a c i d)$
2600	Find the pH	what volume(of)a(1.5M)(KOH)(solution)(is)(needed)(to)(provided)*3.0mol(o(fK)OH)	what $(v o l u m e) (o f) a (1.5 M) (K O H) (s o l u t i o n) (i s) (n e e d e d) (t o) (p r o v i d e d) \cdot 3 (m o l e s) (o f K O H)$