Question

The formula mass of Cu(NO3)3 is: (given atomic mass of Cu 63.5 u, O 16 u,

N 14 u)​

Answer 1

Answer:

How many grams of

would you need to take to get

of copper?

.

Explanation:

The molecular mass of CuSO4.5H2O is:(Atomic mass of Cu = 63.5, H = 1, O = 16, S = 32)

Answer 2

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Molecular mass of a compound is the sum of atomic masses of each element present in the molecule.

$= > Molecular \: mass =  \: atomic \: mass \: of  \: Cu + \: atomic mass \: of  \: S + (9 × atomic \: mass of O) + \: (10 × atomic \: mass \: of H)  \: \:</p><p>=63.5+32+9×16+10×1=249.5 gm/mole$

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