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If 3.98g of sand is separated from 8.34g of a mixture of salt and sand, what is the percentage of sand in the sample?
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Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures
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If 3.98g of sand is separated from 8.34g of a mixture of salt and sand, what is the percentage of sa...
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