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How many particles are in .169 moles of Potassium Sulfide?!

What is the percent composition of sulfer in that same prolem?!
13 years ago

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DrBob222
There are 6.02E23 molecules in 1 mole of K2S. There are three particles (2K and 1S in a molecule of K2S); therefore, there are three particles per mole of K2S.

%S = (atomic mass S/molar mass K2S)*100 = ?
13 years ago
Alison
Thank you so much DrBob222
13 years ago

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