WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

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An open beaker containing 100 g of reactant solution is mixed with 15 g of solid reactant. The reaction produces carbon dioxide gas bubbles. After 10 minutes, the open beaker mass measures 111 g. How much gas escaped into the atmosphere?

4 g 15 g 100 g 115 g

Correct Answer:

4 g

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