jackie63 jackie63

29-03-2016
Chemistry

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How many moles of atoms are contained in the following 2.25g of k

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Аноним Аноним

29-03-2016

atomic mass (K)= 39.1 amu

therefore:
1 mol (k)---------------------39.1 g
x------------------------------- 2.25 g

x=(1 mol * 2.25 g) / 39.1 g=0.05754....≈0.06 moles

Answer: 0.06 moles.

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