Level 2
How many aoms are in 2.750 moles of gold?
1.66 x 1024
3O2 + 4Fe ----> 2Fe2O3
How many moles of iron (III) oxide are produced from 0.87 mol of iron?
0.44 mol Fe2O3
0.87 times 2 divided by 4
4NH3 + 3O2 ----> 2N2 +6H2O
How many moles of O2 are produced from 0.76 mol of N2?
1.14 mol O2
0.76 times 3 divided by 2
4AlF3 + 3O2 ----> 2Al2O3 + 6F2
How many moles of Aluminum fluoride are needed to react with 0.35 mol of aluminum oxide?
0.7 mol AlF3
0.35 times 4 divided by 2
How many moles are in 4.8 x 1021 molecules of CO2?
0.0080 moles
3O2 + 4Fe ----> 2Fe2O3
How many grams of Iron(III)oxide are produced from 2.3 mol of O2?
245 grams Fe2O3
2.3 times 2 divided by 3 times 160
4NH3 + 3O2 ----> 2N2 +6H2O
How many grams of water are produced from 2.32 mol NH3?
62.6 grams H2O
2.32 times 6 divided by 4 times 18
4AlF3 + 3O2 ----> 2Al2O3 + 6F2
How many grams of aluminum oxide are produced from 1.75 mol of aluminum fluoride?
89.25 grams Al2O3
1.75 times 2 divided by 4 times 102
How many moles are in 57.3 grams of Ca(OH)2?
0.774 mol
3O2 + 4Fe ----> 2Fe2O3
How many grams of iron (III) oxide are produced from 4.6 mol of iron?
368 grams Fe2O3
4.6 times 2 divided by 4 times 160
4NH3 + 3O2 ----> 2N2 +6H2O
How many grams of N2 are produced from 0.68 mol of NH3?
9.52 grams N2
0.68 times 2 divided by 4 times 28
4AlF3 + 3O2 ----> 2Al2O3 + 6F2
How many grams of aluminum oxide are produced from 0.36 mol of O2?
24.48 grams Al2O3
0.36 times 2 divided by 3 times 102
How many grams are in 1.9 moles of Na2S?
150 grams
3O2 + 4Fe ----> 2Fe2O3
How many grams of iron(III)oxide are produced from 5.7 grams of O2?
19 g Fe2O3
5.7 divided by 32 times 2 divided by 3 times 160
4NH3 + 3O2 ----> 2N2 +6H2O
How many grams of N2 are produced from 3.9 g of NH3?
3.2 grams N2
3.9 divided by 17 times 2 divided by 4 times 28
4AlF3 + 3O2 ----> 2Al2O3 + 6F2
How many grams of aluminum oxide are produced from 2.8 grams of aluminum fluoride?
1.7 grams Al2O3
2.8 divided by 84 times 2 divided by 4 times 102
How many formula units are in 7.43 grams of NiCl2?
3.47 x 1022 formula units
3O2 + 4Fe ----> 2Fe2O3
How many grams of iron(iii)oxide are produced from 3.6 grams of iron?
5.14 grams Fe2O3
3.6 divided by 56 times 2 divided by 4 times 160
4NH3 + 3O2 ----> 2N2 +6H2O
How many grams of H2O are produced from 6.5g of O2?
7.3 grams H2O
6.5 divided by 32 times 6 divided by 3 times 18
4AlF3 + 3O2 ----> 2Al2O3 + 6F2
How many grams of F2 are produced from 7.5 grams of O2?
17.8 grams F2
7.5 divided by 32 times 6 divided by 3 times 38