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# Concentration watch

1. A) A solution contains 150g of iron chloride in 3 dm3 of solvent?
I got 50dm3
2. what's the question
3. (Original post by BTAnonymous)
what's the question
Calculate the concentration of the following solutions, in g/dm3

A) A solution contains 150g of iron chloride in 3 dm3 of solvent?
4. (Original post by SBizzy)
Calculate the concentration of the following solutions, in g/dm3

A) A solution contains 150g of iron chloride in 3 dm3 of solvent?
5. Got 0.31.
Mol= mass/Mr
Mass = 150g, Mr = 161
150/161= 0.93168
Mol=vol x conc
Mol/vol= conc
Vol= 3
0.93168/3 = 0.31 moldm^3

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