a formula calls for 10.000 grams of Na2SO4.3H2O(f.w. 196.050) to be weighed out and added to a meatloaf sauce. All you h...
a formula calls for 10.000 grams of Na2SO4.3H2O(f.w. 196.050) to be weighed out and added to a meatloaf sauce. All you have in your laboratory is anhydrous Na2SO4 (f.w. 142.050). how many grams of anhydrous Na2SO4 must be weighed out?
Homework Answers
Moles of Na2SO4.3H2O = moles of Na2SO4
mass / molar mass of Na2SO4.3H2O = mass of Na2SO4 / molar mass of Na2SO4
10 / 196.05 = m / 142.05
Solving, m = 7.25 g
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