What does the conservation of mass principle state about the mass of reactants and products?

Conservation of Mass in Reactions

Interactive Video
•
Chemistry, Science
•
7th - 10th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass of reactants and products are unrelated.
The mass of reactants equals the mass of products.
The mass of reactants is always less than the mass of products.
The mass of reactants is always greater than the mass of products.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical reaction, if you start with 150 grams of reactants, how much product should you expect?
150 grams
100 grams
200 grams
50 grams
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 28 grams of nitrogen reacts with 64 grams of oxygen, what is the total mass of nitrogen dioxide produced?
28 grams
64 grams
92 grams
36 grams
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction of ethane with oxygen, if 28 grams of ethane produces 88 grams of carbon dioxide and 36 grams of water, how much oxygen was used?
64 grams
28 grams
124 grams
96 grams
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the missing mass of oxygen if 4 grams of a reactant and 36 grams of product are involved?
36 grams
28 grams
40 grams
32 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reaction where 48 grams of reactants produce 36 grams of water, how much carbon dioxide is formed?
48 grams
36 grams
24 grams
12 grams
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the mass in the first demonstration involving calcium carbonate and hydrochloric acid?
The mass decreases.
The mass increases.
The mass fluctuates.
The mass remains the same.
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