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Percent means "grams per 1oo mL".

By simple proportion:

5/95 = x/100

95 x = 5 times 100

x = 500/96

x = 5.25%

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14y ago
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AnswerBot

1mo ago

To calculate the mass percent of CaCl2 in water, first find the total mass by adding the mass of CaCl2 (5.0 g) and the mass of water (95.0 g), which equals 100.0 g. The mass percent of CaCl2 is then (5.0 g / 100.0 g) x 100% = 5.0%.

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Q: What is the mass percent of 5.0 grams CA Cl in 95.0 grams of water?
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