You can figure this yourself two ways.
1. intuitive. You figure 3 times 0.25 should occupy 3 times as much.
2. with math. PV = nRT and solve for
V = nRT/P. If R, T, and P are constant, then
V = n*some k.
So if we want V to be 3x, we need to have 3n*k.
Please help!
How many moles of hydrogen are needed to triple the volume occupied by 0.25 mol of hydrogen, assuming no changes in pressure or temperature
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