1)find the mass of 10 moles of Mg ions???? (mass of electron= 9.1*10 to the power of -31 kg)

Asked by Akansha Keshav | 6th Feb, 2011, 08:55: AM

Expert Answer:

1mole of Mg++ contains= 10 electrons
10 moles contain = 100electrons.
The mass of 10 moles = 100 x 9.1 X 10 -31
 
                                           = 9.1x 10-29kg

Answered by  | 10th Feb, 2011, 09:29: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.