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WorksheetsLaw of Conservation of Mass
Total questions: 12
Worksheet time: 6mins
Does this equation follow the
Law of Conservation of Mass?
Yes
No
Calculate the missing mass in
grams for Fe2O3 .
4.7 g
11.4 g
16.1 g
27.5 g
What is the total number of
atoms on the reactants side of
the equation?
5
9
4
What is the missing mass in the
products if the equation follows
the law of conservation of mass?
50.2 g
58.4 g
108.6 g
8.2 g
Calculate the missing mass in
grams, for Mg(ClO3)2 .
27.4 g
17.2 g
22.3 g
2.15 g
What is the missing mass on
the products side?
27 g
14 g
40 g
13 g
Does this equation follow the Law of Conservation of Mass?
Yes
No
What is the missing mass on the products side?
11 g
75.7 g
64.7 g
Does this equation follow the Law of Conservation of Mass?
Yes
No
Does this equation follow the Law of Conservation of Mass?
Yes
No
Count the number of atoms for each element on both sides of the equation. Does this equation follow the Law of Conservation of Mass?
Yes
No
The chemical reaction for Zinc (Zn) and Hydrochloric Acid (2HCl) is shown below. How many grams of Zinc were used in this chemical reaction?
2.9 g
4.3 g
1.4 g
