Stoichiometry & Limiting Reagents Quiz
Please try to get within 1% of the correct answer. You can enter your answers in decimal notation, or you can enter them in scientific notation using 'E' or 'x 10^' for the power of 10 (e.g., enter 6.02 x 1023 as 6.02E23 or 6.02x10^23).
Here's your quiz - good luck!
# Problem Answer
1. Sc2O3 + 3 H2O → 2 Sc(OH)3

If 300 grams of Sc(OH)3 are produced, how many grams of H2O were reacted?
grams H2O
2. 2 H2 + 2 NO → 2 H2O + N2

If 250 grams of N2 are produced, how many grams of NO were reacted?
grams NO
3. 2 BrCl → Br2 + Cl2

If 300 grams of Cl2 are produced, how many grams of BrCl were reacted?
grams BrCl
4. Mn + 2 HBr → MnBr2 + H2

If 50 grams of H2 are produced, how many grams of HBr were reacted?
grams HBr
5. 2 Eu + 6 H2O → 2 Eu(OH)3 + 3 H2

If 300 grams of H2O are reacted, how many grams of Eu(OH)3 will be produced?
grams Eu(OH)3
6. C12H22O11 → 12 C + 11 H2O

If 500 grams of C12H22O11 are reacted, how many grams of C will be produced?
grams C
7. P4 + 6 Br2 → 4 PBr3

If 300 grams of PBr3 are produced, how many grams of P4 were reacted?
grams P4
8. 2 Al2O3 + 3 C → 4 Al + 3 CO2

If 350 grams of C are reacted, how many grams of Al will be produced?
grams Al
9. Al2(SO4)3 + 3 Ca(OH)2 → 2 Al(OH)3 + 3 CaSO4

If 500 grams of Al(OH)3 are produced, how many grams of Ca(OH)2 were reacted?
grams Ca(OH)2
10. 2 Al + 6 HCl → 2 AlCl3 + 3 H2

If 400 grams of Al are reacted, how many grams of HCl will also be reacted?
grams HCl