Asked by ABC

Find moles of atoms in 9.00g of Magnesium nitrate.
And please tell me method of typing molecular formula of any compound as of water or etc.

Answers

Answered by DrBob222
mols = grams/atomic mass = ?

Water is H2O but I don't know what you mean by a "method".
Answered by Muhammad Hassan
N=n×NA×N'
N=no of atoms/ions/molecules/ions
N'=desired no of atoms/ions/molecules/bonds/electrons in one unit of the sample
n=no of Moles
NA=6.02×10*23
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