Sophieisidiot
Sophieisidiot
28-11-2014
Chemistry
contestada
What is the mass of 0.01mols of Na2SO4
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apologiabiology
apologiabiology
28-11-2014
mass of Na=22.9 grams
S=32 grams
O=16
2(22.99)+32+4(16)=141.98g
so 141.98g=1mol of Na2SO4 so
141.98 times 0.01=1.4198
round to 3 sig figs
1.42 grams
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