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Answer on Physical Chemistry Question for William Buford

Question #14012
How many moles of zinc are there in 0.172 grams of the metal?
Expert's answer
You must first know the molar mass of zinc. It is 65.4 g/mol. Now you can calculate the number of moles:
0.172 g x (1 mol / 65.4 g) = 0.003 mol (the grams cancel each other out, leaving you with just moles)

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