plz tell if the amount of naoh in 500ml of 2molar naoh solution is 40g ? and is the number of moles in 126 g of cu is 2 moles?

Asked by  | 3rd Jun, 2011, 12:00: AM

Expert Answer:

M= w X 1000/ M' X V
2 = w X 1000 / 40 x 500
w=20g
Yes the number of moles in 126 g of cu is 2 moles.

Answered by  | 4th Jun, 2011, 04:33: PM

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