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OpenStudy (anonymous):
A chemist needs 0.0700 mol of potassium for a reaction. What mass of potassium should the chemist use? 2.737 g K 2.74 g K 39.1 g K
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OpenStudy (anonymous):
1 mol of K is appx 39g
OpenStudy (aaronq):
moles = mass/molar mass
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