001234567891011
16.01.2021 •
Chemistry
A 15.33 g sample of magnesium oxide is found to contain 12.67 g of magnesium. What is the percent (by mass) composition of
the magnesium in the compound?
026 Ma
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Ответ:
12.67g of Mg / 15.33g of MgO * 100% = 82.6% of Mg
Explanation:
Ответ:
I think its Pentane
Explanation: