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A chemist weighed out 32.0 g of gallium. Calculate the number of moles of gallium she weighed out.

Round your answer to 3 significant digits.

1 answer

The molar mass of gallium (Ga) is approximately 69.723 g/mol.

Number of moles = Mass / Molar mass
Number of moles = 32.0 g / 69.723 g/mol
Number of moles = 0.459 moles

Therefore, the chemist weighed out approximately 0.459 moles of gallium.