Is anybody good at chemistry? This is a pre lab and I'm

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>>16922348
Better picture sorry

If you dilute something to 1/10 of its volume, concentrations will be lowered to 1/10, so 0.03M
If you take 4ml of 0.03M Fe3 solution and dilute it to 10ml concentrations will decrease to 4/10, so it's 0.012M
All the thiocyanates listed are soluble in water and their cations don't cross react with Fe3+.

>>16922429
Thank you so much

For those dilutions, you can use the Dilution Equation:

C1V1 = C2V2

C1 and C2 are concentrations and V1 and V2 are volumes.
This is an equation that every chemistry student should have in their bag of tricks.