Multiple Choice
A 0.920-gram sample of magnesium is allowed to burn in 0.321 g of oxygen gas.The sole product is magnesium oxide.After the reaction,no oxygen remains and 0.809 g of magnesium oxide has been formed.What mass of magnesium is left unreacted?
A) 0.210 g
B) 0.432 g
C) 1.408 g
D) 0.111 g
E) 0.488 g
Correct Answer:
Verified
Correct Answer:
Verified
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