Question

In: Chemistry

Volume of .010 M CoClPr3 added/mL Total Volume of Solution mL Total moles CoClPr3 added/ mols...

Volume of .010 M CoClPr₃ added/mL	Total Volume of Solution mL	Total moles CoClPr₃ added/ mols	[CoClPr₃]/(mols/L)
.10
.20
.30
.40
.50
.60
.70
.80
.90
1.00
1.10

The calibration plot is implemented by adding .10 mL increments of .010 M CoClPr₃ to 4.00 mL of Pr in a cuvette. Calculate the given concentration, a table has been given to help with calculations.

Expert Solution

moles = molarity x volume

molarity of solution = moles/total volume of solution

So for say 0.1 ml of 0.01M addition of CoClPr3 to 4 ml of Pr in a cuvette

moles of CoClPr3 = 0.01 x 0.0001 = 1 x 10^-6 mol

Total volume of solution = 4 + 0.1 = 4.1 ml = 0.0041 L

CoClPr3 concentration = 1 x 10^-6/0.0041 = 2.44 x 10^-4 mol/L

So we do rest of calculations following the same principle as shown above.

Table :

V 0.01 M CoClPr3(ml) total Vol(ml) moles of CoClPr3 CoClPr3(mol/L)

0.1 4.1 1 x 10^-6 2.44 x 10^-4

0.2 4.2 2 x 10^-6 4.76 x 10^-4

0.3 4.3 3 x 10^-6 6.98 x 10^-4

0.4 4.4 4 x 10^-6 9.10 x 10^-4

0.5 4.5 5 x 10^-6 1.11 x 10^-3

0.6 4.6 6 x 10^-6 1.30 x 10^-3

0.7 4.7 7 x 10^-6 1.49 x 10^-3

0.8 4.8 8 x 10^-6 1.67 x 10^-3

0.9 4.9 9 x 10^-6 1.84 x 10^-3

1.0 5.0 1 x 10^-5 2.00 x 10^-3

1.1 5.1 1.1 x 10^-5 2.16 x 10^-3

queen_honey_blossom answered 2 hours ago

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