В150 г воды растворили 3 моль хлорида натрия.рассчитайте массовую долю растворенного вещества. !

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Ответ:

akink2017

09.07.2021

m(NaCl) = n*M = 3*58.5 = 175.5 г

m(раствора) = m(H2O) + m(NaCl) = 150 + 175.5 = 325.5 г

ω(NaCl) = m(NaCl)*100/m(раствора) = 175.5*100/325.5 ≈ 53.92 %

4,5(80 оценок)

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Ответ:

танюша237

09.07.2021

Объяснение:

2Fe(OH)3 + 3H2SO4 = Fe2(SO4)3 + 6H2O

2Fe(OH)3 + 6H(+) + 3SO4(2-) = 2Fe(3+) + 3SO4(2-) + 6H2O

2Fe(OH)3 + 6H(+) = 2Fe(3+) + 6H2O

Mg(OH)2 + 2HBr = MgBr2 + 2H2O

Mg(OH)2 + 2H(+) + 2Br(-) = Mg(2+) + 2Br(-) + 2H2O

Mg(OH)2 + 2H(+) = Mg(2+) + 2H2O

H2S + 2LiOH = Li2S + 2H2O

2H(+) + S(2-) + 2Li(+) + 2OH(-) = 2Li(+) + S(2-) + 2H2O

H(+) + OH(-) = H2O

Zn(OH)2 + H2SO4 = ZnSO4 + 2H2O

Zn(OH)2 + 2H(+) + SO4(2-) = Zn(2+) + SO4(2-) + 2H2O

Zn(OH)2 + 2H(+) = Zn(2+) + 2H2O

H2CO3 + 2KOH = K2CO3 + 2H2O

2H(+) + CO3(2-) + 2K(+) + 2OH(-) = 2K(+) + CO3(2-) + 2H2O

H(+) + OH(-)=H2O

H2S + 2NaOH = Na2S + 2H2O

2H(+) + S(2-) + 2Na(+) + 2OH(-) = 2Na(+) + S(2-) + 2H2O

H(+) + OH(-) = H2O

Cu(OH)2 + 2HNO3 = Cu(NO3)2 + 2H2O

Cu(OH)2 + 2H(+) + 2NO3(-) = Cu(2+) + 2NO3(-) + 2H2O

Cu(OH)2 + 2H(+) = Cu(2+) + 2H2O

4,5(88 оценок)

Ответ:

apkvava

09.07.2021

Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)

Объяснение:

Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)Ca(OH)2 (s) + 2 HCl (aq) → 2 H2O (l) + CaCl2 (aq)

4,7(71 оценок)

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