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Chemistry, 25.06.2020 02:01 xcji2277

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 × 10-4 mol, assuming constant temperature and pressure? Which of the variables are known?

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