Practice Problems Stoichiometry – Mass to Mass Worksheet

1) How many grams of O, will react with 68.00 grams H2?

2) How many grams of H2 will react with 2.00 grams of O2?

3) Given 8.35 grams of H2, how many grams of H2O are produced?

4) How many grams of O2 will react with 0.94 grams of H2?

5) Given 0. 38 grams of N2, how many grams of NaN3 are needed?

6) Given 5.86 grams of NaN3, how many grams of Na are produced?

7) How many grams of Fe will be produced if 39.64 grams of CO2 are used?

8) How many grams of Fe2O3 are used if 2.88 grams of Fe are produced?

9) If 5.53 grams of Al2S3 are produced, how many grams of S are used?

10) If 59.33 grams of S are used, how many grams of Al are used?

11) If you insert 2.57 grams of CO, how many grams of H, are also used?

12) If you use 0.89 grams of Ha, how many grams of CH,OH are produced?

13) How many grams of Fe will be produced if 0.897 grams of CO, are produced?

14) How many grams of Fe2O3 are needed if 8.73 grams of Fe are produced?

15) If 4.59 grams of O2 are used, how many grams of CH4 are also used?

16) If 6.81 grams of CO2 are created, how many grams of CH2 were used?

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Practice Pr…
2 H₂ + 0₂
1) How many grams of O₂ will react with 68.00 grams H₂?
2) How many grams of H₂ will react with 2.00 grams of 0₂?
3) Given 8.35 grams of H₂, how many grams of H₂O are produced?
4) How many grams of O₂ will react with 0.94 grams of H₂?
2
2 NaN3
2 H₂O
2 Na
5) Given 0.38 grams of N₂, how many grams of NaN3 are needed?
+ 3 N₂
6) Given 5.86 grams of NaN3, how many grams of Na are produced?
2 Fe₂O3 + 3C
4 Fe
7) How many grams of Fe will be produced if 39.64 grams of CO₂ are used?
8) How many grams of Fe₂O3 are used if 2.88 grams of Fe are produced?
CO
2 Al + 3 S
Al₂S3
9) If 5.53 grams of Al₂S3 are produced, how many grams of S are used?
10) If 59.33 grams of S are used, how many grams of Al are used?
+
+ 3 CO₂
2 H₂
CH3OH
11) If you insert 2.57 grams of CO, how many grams of H₂ are also used?
ا…
12) If you use 0.89 grams of H₂, how many grams of CH3OH are produced?6) Given 5.86 grams of NaN3, how many grams of Na are produced?
2 Fe₂O3 + 3C
7) How many grams of Fe will be produced if 39.64 grams of CO₂ are used?
4 Fe
+ 3 CO₂
8) How many grams of Fe₂O3 are used if 2.88 grams of Fe are produced?
2 Al + 3 S
Al₂S3
9) If 5.53 grams of Al₂S3 are produced, how many grams of S are used?
10) If 59.33 grams of S are used, how many grams of Al are used?
CO + 2 H₂
CH3OH
11) If you insert 2.57 grams of CO, how many grams of H₂ are also used?
12) If you use 0.89 grams of H₂, how many grams of CH3OH are produced?
2 Fe₂O3 + 3C
4 Fe + 3 CO₂
13) How many grams of Fe will be produced if 0.897 grams of CO₂ are produced?
14) How many grams of Fe₂O3 are needed if 8.73 grams of Fe are produced?
CH4 + 20₂
15) If 4.59 grams of O₂ are used, how many grams of CH4 are also used?
CO, + 2 H2O
16) If 6.81 grams of CO₂ are created, how many grams of CH4 were used?
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Practice Pr…
2 H₂ + 0₂
1) How many grams of O₂ will react with 68.00 grams H₂?
2) How many grams of H₂ will react with 2.00 grams of 0₂?
3) Given 8.35 grams of H₂, how many grams of H₂O are produced?
4) How many grams of O₂ will react with 0.94 grams of H₂?
2
2 NaN3
2 H₂O
2 Na
5) Given 0.38 grams of N₂, how many grams of NaN3 are needed?
+ 3 N₂
6) Given 5.86 grams of NaN3, how many grams of Na are produced?
2 Fe₂O3 + 3C
4 Fe
7) How many grams of Fe will be produced if 39.64 grams of CO₂ are used?
8) How many grams of Fe₂O3 are used if 2.88 grams of Fe are produced?
CO
2 Al + 3 S
Al₂S3
9) If 5.53 grams of Al₂S3 are produced, how many grams of S are used?
10) If 59.33 grams of S are used, how many grams of Al are used?
+
+ 3 CO₂
2 H₂
CH3OH
11) If you insert 2.57 grams of CO, how many grams of H₂ are also used?
ا…
12) If you use 0.89 grams of H₂, how many grams of CH3OH are produced?6) Given 5.86 grams of NaN3, how many grams of Na are produced?
2 Fe₂O3 + 3C
7) How many grams of Fe will be produced if 39.64 grams of CO₂ are used?
4 Fe
+ 3 CO₂
8) How many grams of Fe₂O3 are used if 2.88 grams of Fe are produced?
2 Al + 3 S
Al₂S3
9) If 5.53 grams of Al₂S3 are produced, how many grams of S are used?
10) If 59.33 grams of S are used, how many grams of Al are used?
CO + 2 H₂
CH3OH
11) If you insert 2.57 grams of CO, how many grams of H₂ are also used?
12) If you use 0.89 grams of H₂, how many grams of CH3OH are produced?
2 Fe₂O3 + 3C
4 Fe + 3 CO₂
13) How many grams of Fe will be produced if 0.897 grams of CO₂ are produced?
14) How many grams of Fe₂O3 are needed if 8.73 grams of Fe are produced?
CH4 + 20₂
15) If 4.59 grams of O₂ are used, how many grams of CH4 are also used?
CO, + 2 H2O
16) If 6.81 grams of CO₂ are created, how many grams of CH4 were used?
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