what mass of magnesium contains number same number of molecules as a present in 6.4g of oxygen?
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Answer: mass of magnesium contains number same number of molecules as a present in 6.4g of oxygen is 9.72 grams
Explanation:
No of moles of oxygen = 6.4/16 (mass of element/molecular mass)= 0.4
No of moles of oxygen = No of moles of Magnesium (Since no molecules are said to be the same)
Hence mass of magnesium = Moles of Mg x Molecular mass of Mg = 0.4 x 24.3 = 9.72 grams
The mass of magnesium contains number same number of molecules as a present in 6.4g of oxygen is 9.72 grams
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