Question

White vitriol is isomorphous with ​MgSO4.7H20.white vitriol contains 22.95% zinc and 43.9% of water of crystallisation.Find the atomic mass of zinc.​

Answer 1

Answer:

The atomic mass of zinc is 65.87 g/mol.​

Explanation:

Percentage of water of crystallization = 43.9%

Mass of 1 molecule of water = 18 g/mol

$43.9\%=\frac{18 g/mol\times 7}{M}\times 100$

M = 287.0159 g/mol

Percentage of zinc of crystallization = 22.95 %

let the mass of 1 mol of Zn = x

$22.95\%=\frac{x}{287.0159 g/mol}\times 100$

x = 65.87 g/mol

The atomic mass of zinc is 65.87 g/mol.​

Answer 2

Answer:

Explanation:

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