Calculate the formula mass for each of the following compounds 1. CS2
2. C6H12O6
3. Fe(NO3)3
4. C7H16
Using 5 sig figs
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Related questions
Calculate KxFe(C2O4)y · zH2O determination of the formula of the iron compound
Mass of KxFe(C2O4)y · zH2O prepared : 4.600g
Mass of FeCl3 : 1.60g
% Potassium in compound : 12.31%
% Iron (from ion exchange & titration vs. NaOH) : 9.96%
% Oxlate : 54.01%
Calculate the % water of hydration :
Calculate the following for Fe3+:
g in 100 g sample | mol in 100 g sample | mol/mol Fe (3 sig figs) | mol/mol Fe(whole number) |
Calculate the following for K+:
g in 100 g sample | mol in 100 g sample | mol/mol Fe(3 sig figs) | mol/mol Fe(whole number) |
Calculate the following for C2O42-:
g in 100 g sample | mol in 100 g sample | mol/mol Fe(3 sig figs) | mol/mol Fe (whole number) |
Calculate the following for H2O
g in 100 g sample | mol in 100 g sample | mol/mol Fe(3 sig figs) | mol/mol Fe(whole number) |
Enter the simplest formula of the Iron Oxalate Complex Salt:
K | ___ | Fe(C2O4)____ | · | ____ | H2O |
Now that the formula of the complex salt is known, the percent yield can be determined.
Calculate the moles of FeCl3 used in preparation:
Calculate the theoretical moles of KxFe(C2O4)y · zH2O:
Calculate the actual moles of KxFe(C2O4)y · zH2O synthesized:
Calculate the percent yield: