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Chemistry, 17.04.2020 21:18 2308046

Assuming constant pressure and temperature, how many moles of gas have been added to the initial 3 moles of gas when the volume increases from 2.0 to 4.0 liters?
a. 1.5 moles
b. 2 moles
c. 3 moles
d. 6 moles

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