Two Samples of Calcium Fluoride Are Decomposed into Their Constituent

question 85

Multiple Choice

Two samples of calcium fluoride are decomposed into their constituent elements. The first sample produced 0.154 g of calcium and 0.146 g of fluorine. If the second sample produced 294 mg of fluorine, how many grams of calcium were formed?

• A)0.280 g
• B)3.09 × 10² g
• C)3.13 g
• D)0.309 g
• E)2.80 × 10² g

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