Answer : The number of grams of calcium perchlorate is, 0.00253 grams.
Explanation :
Molar mass of calcium perchlorate = 238.9 g/mol
As,
formula units present in 238.9 g of calcium perchlorate
So,
formula units present in
of calcium perchlorate
Therefore, the number of grams of calcium perchlorate is, 0.00253 grams.
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Answer:
B
Explanation:
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