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# Concentration in gdm-3 watch

1. My teacher told us to have a go at these questions but I can't seem to do them D: I totally understand concentration in moldm-3.
So far I've got the mol of CuSO4
( 2.04/159.7 = 0.013)
And 75cm3 to 0.075dm3
Can someone help me? (Question 4a)

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2. 2.04g in 75cm^3.

Is this a trick question?

Wouldn't you divide by 75 to find per cm^3. And then multiply by 1000 for dm^3?
3. (Original post by L'Evil Fish)
2.04g in 75cm^3.

Is this a trick question?

Wouldn't you divide by 75 to find per cm^3. And then multiply by 1000 for dm^3?
Yes that worked thanks! (They've given the answers)

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4. (Original post by Alltimesarah)
Yes that worked thanks! (They've given the answers)

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No problem!

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Updated: November 16, 2013
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