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How many sodium ions are there in 62g of sodium oxide Na2o?
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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How many sodium ions are there in 62g of sodium oxide Na2o?...
Mathematics, 27.10.2020 21:30
Mathematics, 27.10.2020 21:30