how many moles of strontium atoms are in 13.6 g of Sr?

2015-09-02 7:24 am

回答 (3)

2015-09-02 8:21 am
✔ 最佳答案
Relative atomic mass of Sr = 87.62

No. of moles of Sr atoms = (13.6 g) / (87.62 g/mol) = 0.155 mol
2015-09-02 8:19 am
step 1 ... Find the atomic mass
step 2 ... mass given, 13.6g, is then divided by the atomic mass.
2015-09-02 7:48 am
What is the atomic mass of strontium?


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