The percent composition by mass of magnesium mgbr2 (gram formula mass= 184 grams/mole) is equal

a- 24/184 x 100
b- 160/184 x 100
c- 184/24 x 100
d- 184/160 x 100

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What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

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