WorksheetsStoichiometry
Total questions: 12
Worksheet time: 12mins
When the following equation is balanced what are its coefficients in simplified form?
__C8H18 + __O2 → __CO2 + __H2O
1,12.5,8,9
1,12,8,9
2,25,16,18
1,1,8,18
The __________ in a balanced equation reveals the mole ratios of the substances involved.
subscript
coefficients
superscript
total number in each compound
The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.46 grams of water.
2 C4H10 + 13O2 -------> 8CO2 + 10H2O
How many moles of water formed?
0.137 mol
44.28 mol
0.027
0.685
The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.46 grams of water.
2 C4H10 + 13O2 -------> 8CO2 + 10H2O
How many moles of butane burned?
0.137 mol
0.027 mol
0.042 mol
0.27 mol
The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.46 grams of water.
2 C4H10 + 13O2 -------> 8CO2 + 10H2O
How many grams of butane burned?
713.4 gram
0.042 gram
1.57 gram
7.13 gram
The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.46 grams of water.
2 C4H10 + 13O2 -------> 8CO2 + 10H2O
How much oxygen was used up in moles?
0.178 mol
0.137 mol
3.20 mol
0.355 mol
The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.46 grams of water.
2 C4H10 + 13O2 -------> 8CO2 + 10H2O
How much oxygen was used up in grams?
2.85 gram
5.70 gram
4.38 gram
2.19 gram
When 4.7 x 10^11 atoms of sodium are put into excess water, how many grams of NaOH are made?
Reaction: Na + H2O → NaOH + H2
1.13 x 10^46 gram
1.13 x 10^-11 gram
3.12 x 10^-11 gram
6.02 x 10^23 gram
If 56 grams of calcium metal are dropped into hydrochloric acid, how many liters of gas are made?
Reaction: Ca + HCl → CaCl2
1.4 L
100 L
22.4 L
31.36 L
Using the following equation:
2 NaOH + H2SO4 → 2 H2O + Na2SO4
How many liters of sodium sulfate will be formed if you start with 2 moles of sodium hydroxide and you have an excess of sulfuric acid?
0.045 L
44.8 L
89.6 L
22.4 L
Using the following equation:
Pb(SO4)2 + 4 LiNO3 → Pb(NO3)4 + 2 Li2SO4
How many atoms of lithium nitrate will be needed to make 250 grams of lithium sulfate, assuming that you have an adequate amount of lead (IV) sulfate to do the reaction?
6.97 x 10^23
2.79 x 10^24
1.92 x 10^-24
1.39 x 10^24
If 55.6 grams of calcium carbonate react in excess sodium hydroxide, how many grams of Na2CO3 are made?
Reaction: CaCO3 + NaOH → Ca(OH)2 + Na2CO3
147.34 gram
52.45 gram
55.9 gram
194.24 gram
