A sample of pure calcium fluoride with a mass of 150 g
A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium is contained in 45.0 g of calcium fluoride?
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when you calculated k in the rate equation for the reaction of kmno4 solution and h2c2o4 solution you assumed k had the
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a sample of pure calcium fluoride with a mass of 150 g contains 770 g of calcium how much calcium is contained in 450 g
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methane and oxygen react to form carbon dioxide and water what mass of water is formed if 32 g of methane reacts with
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