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Chemistry

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Answer :

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Answer:

51.3% Ca 48.7% F

Explanation:

MM CaF2 = 40.1+2x19 = 78.1 g/mol

MM Ca = 40.1 g/mol

MM F = 19 g/mol

% Ca = (40.1/78.1) x 100 = 51.3% Ca

% F = 100-51.3 = 48.7% F

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