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OpenStudy (epicteatime):
How many atoms are in a sample of 72.8 grams calcium (Ca)? Pls explain!
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OpenStudy (rina.r):
1.09 × 10^24 atoms Ca is about 40 g/ mol and 1 mol is 6.02214179×10^23 atoms
OpenStudy (epicteatime):
thx
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