Explain Conservation of Mass
Middle School Science · Flashcards · Application
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Find the total number of O atoms in the products of
2
H
2
+
O
2
→
2
H
2
O
2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O}
2
H
2
+
O
2
→
2
H
2
O
.
QUESTION
Identify the coefficient needed to balance:
2
CO
+
O
2
→
?
CO
2
2\text{CO} + \text{O}_2 \rightarrow \boxed{?}\text{CO}_2
2
CO
+
O
2
→
?
CO
2
.
QUESTION
If
10
g
10\,g
10
g
of reactants react in a closed container, what is the total mass of products?
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ANSWER
10
g
10\,g
10
g
. Conservation of mass: reactant mass = product mass.
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