GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the mass of 6.25 mol of Cu(NO3)2?
A
126 g
B
785 g
C
625 g
D
1172 g
Explanation: 

Detailed explanation-1: -Therefore, the mass in grams of 6.25 mol of copper (II) nitrate is 1171.88g.

Detailed explanation-2: -Answer and Explanation: The molar mass of copper (II) nitrate is 187.5 g/mol.

Detailed explanation-3: -Answer: 375 grams of copper(II) nitrate will give 127 grams of copper on heating.

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