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7. Calculate the percent composition of ZnSO4.

7. Calculate the percent composition of ZnSO4.
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7. Calculate the percent composition of ZnSO4.

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User Eric Bulloch
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1 Answer

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% composition = Ar/Mr x 100%

MM (molar mass) ZnSO₄ = 161 g/mol

AM (atomic mass) Zn = 65.38 g/mol

% Zn = 65.38/161 x 100% = 40.6%

AM (atomic mass) S = 32 g/mol

% Zn = 32/161 x 100% = 19.9%

AM (atomic mass) O = 16 g/mol

% Zn = 4.16/161 x 100% = 39.6%

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User Mattorb
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