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Elements with +2 charge

Posted: Tue Oct 06, 2015 5:33 pm
by Mya Majewski 1L
In the review problems for E:23,

How do you calculate the amount (in moles) Cu^2+ ions in 3.00 g of CuBr2?

Re: Elements with +2 charge

Posted: Tue Oct 06, 2015 7:50 pm
by Rex Lee 1C
Mya Majewski 1K wrote:In the review problems for E:23,

How do you calculate the amount (in moles) Cu^2+ ions in 3.00 g of CuBr2?


First, convert into moles. Looking at the chemical formula, there is one atom of
for every formula unit of . Therefore, the amount of moles of in the sample is the same amount as the total moles of .



Solving this will give you your answer