Physics, 05.05.2020 22:11, pascente5

A balloon containing helium gas expands from 230 ml to 860 ml as more helium is added. What was the initial quantity of helium present if the expanded balloon contains 3.8 Ã— 10-4 mol

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A balloon containing helium gas expands from 230 ml to 860 ml as more helium is added. What was the...