GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the mass in grams of 6.25 mol of copper (II) nitrate?
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126 g
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785 g
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625 g
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1172 g
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Explanation:
Detailed explanation-1: -Therefore, the mass in grams of 6.25 mol of copper (II) nitrate is 1171.88g.
Detailed explanation-2: -The molar mass of copper (II) nitrate is 187.5 g/mol.
Detailed explanation-3: -To calculate the molar mass of copper, we need to know its weight and the number of moles of copper. Weigh copper (63.55 g) and divide by the molar mass of copper (63.55 g/mol). This gives us 3.14 moles of copper.
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