дано
V ppa (Al2(SO4)3) = 350 mL = 0.35 L
m(Al2(SO4)3) = 18.5 g
Cm-?
Cm = m (Al2(SO4)3) / (M(Al2(SO4)3) * Vppa(Al2(SO4)3)
M(Al2(SO4)3) = 342 g/mol
Cm = 18.5 / (342 * 0.35) = 0.15 M
ответ 0.15М
Объяснение:
дано
V ppa (Al2(SO4)3) = 350 mL = 0.35 L
m(Al2(SO4)3) = 18.5 g
Cm-?
Cm = m (Al2(SO4)3) / (M(Al2(SO4)3) * Vppa(Al2(SO4)3)
M(Al2(SO4)3) = 342 g/mol
Cm = 18.5 / (342 * 0.35) = 0.15 M
ответ 0.15М
Объяснение: