What is the concentration of Fe(III) with a stock concentration of .00025 M in a solution of 1 ml FeCl3 and 9 ml of HCl?

2 ml of FeCl3 and 8 ml of HCl?
3 ml of FeCl3 and 7 ml of HCl?
4 ml of FeCl3 and 6 ml of HCl?
5 ml of FeCl3 and 5 ml of HCl?

I got
.000025
.00005
.000075
.00010
.000125

is this right?

1 answer

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