Na₂CO₃ + H₂SO₄ = Na₂SO₄ + CO₂↑ + H₂O
2Na⁺ + CO₃²⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + CO₂↑ + H₂O
CO₃²⁻ + 2H⁺ = CO₂↑ + H₂O
FeCl₃ + 3NaOH = Fe(OH)₃↓ + 3NaCl
Fe³⁺ + 3Cl⁻ + 3Na⁺ + 3OH⁻ = Fe(OH)₃↓ + 3Na⁺ + 3Cl⁻
Fe³⁺ + 3OH⁻ = Fe(OH)₃↓
Ba(NO₃)₂ + Na₂SO₄ = 2NaNO₃ + BaSO₄↓
Ba²⁺ + 2NO₃⁻ + 2Na⁺ + SO₄²⁻ = 2Na⁺ + 2NO₃⁻ + BaSO₄↓
Ba²⁺ + SO₄²⁻ = BaSO₄↓
HCl + NaOH = NaCl + H₂O
H⁺ + Cl⁻ + Na⁺ + OH⁻ = Na⁺ + Cl⁻ + H₂O
H⁺ + OH⁻ =H₂O
K₂CO₃ + 2HCl = 2KCl + CO₂↑ + H₂O
2K⁺ + CO₃²⁻ + 2H⁺ + 2Cl⁻ = 2K⁺ + 2Cl⁻ + CO₂↑ + H₂O
CO₃²⁻ + 2H⁺ = CO₂↑ + H₂O
HNO₃ + NaOH = NaNO₃ + H₂O
H⁺ + NO₃⁻ + Na⁺ + OH⁻ = Na.⁺ + NO₃⁻ + H₂O
H⁺ + OH⁻ = H₂O.
нерастворимая соль
Cu(OH)₂
AgCl
V(AgNO3)=100 mL=0.1 L
Cм=0.05 M
m(AgNO3)-?
n(AgNO3)=Cм*V=0.05*0.1=0.005 mol
M(AgNO3)=170 g/mol
m(AgNO3)=n*M=0.005*170=0.85 g
ответ 0.85 г