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How many moles are present in 5.3e30 formula units of magnesium bromide?
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What substance has a mass of 9.5g and volume of 2.1cm^3
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At 20Β°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
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How many moles are present in 5.3e30 formula units of magnesium bromide?...
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