Adding helium to a balloon increased its volume from 821.8 ml to 4.485 l. if the final number of moles of helium in the balloon is 32.0 mol, what was the initial number of moles of helium in the balloon? assume the balloon contained only helium initially.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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- decrease the number of plants and animals living in the water.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be