Question

A series of diluted solutions of calcium are prepared in order to produce a standardization graph. One of these solutions is
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Answer #1

use dilution formula

M1*V1 = M2*V2

1---> is for stock solution

2---> is for diluted solution

Given:

M1 = 0.287 M

V1 = 6 mL

V2 = 250 mL

use:

M1*V1 = M2*V2

M2 = (M1*V1)/V2

M2 = (0.287*6)/250

M2 = 0.00689 M

Answer: 0.00689 M

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