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Worksheetsbasic stoichiometry
Total questions: 10
Worksheet time: 5mins
In the equation H2 + O2 --> H2O, is the equation balanced?
yes
no
In the equation 2 H2 + 1 O2-->2 H2O, how many atoms of hydrogen are on the reactant side?
1
2
3
4
In the equation 2 H2 + O2 --> 2 H2O, how many moles of oxygen gas are there?
1
2
4
5
In the equation 2 H2 + O2 --> 2 H2O, what is the name for the product?
hydrogen
oxygen
dihydrogen monoxide
hydrogen oxide
In the equation 2 H2 + O2--> 2 H2O, how many moles of oxygen react with 4 moles of hydrogen?
2
4
8
1
How many grams of H2O are in 3 moles?
6 g
18 g
54 g
15 g
How many moles of O2 are in 64 grams of O2?
16 moles
2 moles
4 moles
32 moles
In the equation 2 H2 + O2 --> 2H2O, how many moles of oxygen will react with 10 grams of hydrogen?
5 moles oxygen
2.5 moles oxygen
40 moles oxygen
10 moles oxygen
In the equation 2 H2 + O2--> 2H2O, find the mass of H2O produced from 4 grams of hydrogen.
18 g
36 g
9 g
72 g
Which of the following exist as diatomic molecules? Answer all that apply.
hydrogen
oxygen
barium
carbon
