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What is the mass of a sample that contains 4.05 mol of Zr?

Molar mass of Zr = 65.38 g

A- 65.38 g
B- 264.79 g
C- 45.99 g
D- 0.0619 g

Sagot :

Hi!
From what i calculated the answer to this should be B- 264.79
•All you need to do is take the mols given (4.05) and multiply that by the given atomic mass (65.38) and your answer should come out to equal B
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