Calculate the number of atoms in a 9.52×103 g sample of strontium.

Tomasz Dzieniak asked Apr 7, 2023

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Tomasz Dzieniak asked Apr 7, 2023

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25 votes

1) Find out the molar mass of strontium (Sr)

The molar mass of strontium is 87.62 g/mol.

2) Convert grams into moles.

$\text{mol of Sr=9.52}\cdot10^3g\cdot\frac{1\text{ mol Sr}}{87.62\text{ g Sr}}=108.65\text{ mol Sr}$

3) Convert moles into atoms.

$\text{Atoms of Sr=108.65 mol Sr}\cdot\frac{6.02\cdot10^(23)atoms\text{ of Sr}}{1\text{ mol Sr}}=6.54\cdot10^(25)atoms\text{ of Sr}$

Rijin answered Apr 13, 2023

by Rijin

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