If the molar solubility of lead(II) chloride is 1.6E-2, what mass of solid lead(II) chloride dissolves in 433 mL of water at 25 oC?

[匿名]

2018-02-13 1:35 am

回答 (1)

胡雪8°

2018-02-13 2:08 am

✔ 最佳答案

Molar mass of PbCl₂ = (207.2 + 35.5×2) g/mol = 278.2 g/mol

Mass of PbCl₂ dissolves in 433 mL of water at 25°C
= (1.6 × 10⁻² mol/L) × (433/1000 L) × (278.2 g/mol)
= 1.93 g

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