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OpenStudy (anonymous):
The mass of 0.500 mole of Ba is 274.6 grams. True False
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OpenStudy (anonymous):
Use n=m/Mr, where n is mol, m is given mass and Mr is molecular mass. With the aid of your periodic table, the Mr of Ba is 56g per mole, hence 0.5 mol have 28g. The answer is false.
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