Calculations of Formula Mass

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

LiF (lithium fluoride) = grams
CaO (calcium oxide) = grams
CaF2 (calcium fluoride) = grams
Na2S (sodium sulfide) = grams
K2O (potassium oxide) = grams
NaF (sodium fluoride) = grams
MnO2 (manganese(IV) oxide) = grams
NH4OH (ammonium hydroxide) = grams
CaS (calcium sulfide) = grams
Ca(NO3)2 (calcium nitrate) = grams
LiNO3 (lithium nitrate) = grams
CaBr2 (calcium bromide) = grams
CrF3 (chromium(III) fluoride) = grams
Tm2O3 (thulium(III) oxide) = grams
UF6 (uranium hexafluoride) = grams
Ca3N2 (calcium nitride) = grams
(NH4)2CO3 (ammonium carbonate) = grams
Na3P (sodium phosphide) = grams
FeSO4·7H2O (iron(II) sulfate heptahydrate) = grams