дано
m (ppaAgNO3) = 170 g
W(AgNO3) = 20%
+HCL
m(AgNO3) = 170 * 20% / 100% = 34 g
AgNO3+HCL-->AgCL↓+HNO3
M(AgNO3) = 170 g
n(AgNO3) = m/M = 34 / 170 = 0.2 mol
n(AgNO3) = n(AgCL) = 0.2 mol
M(AgCL) = 143.5 g/mol
m(AgCL) = n*M = 0.2 * 143.5 = 28.7 g
ответ 28.7 г
Объяснение:
дано
m (ppaAgNO3) = 170 g
W(AgNO3) = 20%
+HCL
m(AgNO3) = 170 * 20% / 100% = 34 g
AgNO3+HCL-->AgCL↓+HNO3
M(AgNO3) = 170 g
n(AgNO3) = m/M = 34 / 170 = 0.2 mol
n(AgNO3) = n(AgCL) = 0.2 mol
M(AgCL) = 143.5 g/mol
m(AgCL) = n*M = 0.2 * 143.5 = 28.7 g
ответ 28.7 г
Объяснение: