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-Dominant- [34]
3 years ago
10

Diluting concentrated 1.74M acetic acid to prepare 200 ml of 8M stick solution. What volume of concentrated acid must be used

Chemistry
1 answer:
TiliK225 [7]3 years ago
6 0
<h3>Answer:</h3>

43.5 mL

<h3>Explanation:</h3>

We are given;

  • Molarity of dilute acetic acid is 1.74 M
  • Volume of the solution that needs to be prepared is 200 mL
  • Molarity of the stock solution 8 M

We are required to determine the volume of acid that must be used.

  • We need to know the dilution formula;
  • According to the dilution equation;

M1V1 = M2V2

Rearranging the formula;

V1 = M2V2 ÷ M1

   = (1.74 M × 200 mL) ÷ 8 M

   = 43.5 mL

Therefore, the volume of the concentrated acid that must be added is 43.5 mL

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