mjr2002june
19.09.2019 •
Chemistry
Ageneric salt, ab2, has a molar mass of 169 g/mol and a solubility of 1.10 g/l at 25 °c. what is the ksp of this salt at 25 °c?
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Ответ:
Ksp=[A²⁺][B⁻]²
a=1.10 g/L
M=169 g/mol
c=a/M
[A²⁺]=c=a/M
[B⁻]=2c=2a/M
Ksp=(a/M)(2a/M)²=4(a/M)³
Ksp=4*(1.10/169)³=1.103×10⁻⁶
Ответ: