Chemistry, 16.12.2020 01:00 rachelsweeney10
Using a jar with a tight fitting lid, a student mixes 2.0 grams of calcium metal and 100 mL of water, the lid is placed on the bottle. The calcium dissolves and gas bubbles rise to the surface of the liquid. What do you predict has happened to the mass of the material inside the jar?
a. The mass has decreased
b. The mass has increased
c. The mass is now 98 grams
d. The mass has not changed
Answers: 1
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Using a jar with a tight fitting lid, a student mixes 2.0 grams of calcium metal and 100 mL of water...
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