Question

How many atoms of sulfur are in a 3.4g sample of sodium thiosulphate, Na2S2O3?

Apr 23, 2018

bobpursley

calculate the moles of sodium thiosulfate in 3.4 grams (moles=3.4/molmass)

then, moles of sulfur is twice that.
Number atoms=avagnumber*molesSulfur

Apr 23, 2018

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