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lindseygrantz
lindseygrantz lindseygrantz
  • 21-02-2017
  • Chemistry
Answered

Titration of a 25.0 mL sample of barium hydroxide requires 34.45 mL of 0.100 M nitric acid. What is the molarity of the barium hydroxide?

Verified Answer :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 28-02-2017

The titration reaction is written as follows:

Ba(OH)2 + 2HNO3 = Ba(NO3)2 + 2H2O

The calculations are as done as follows:

0.100 mol HNO3 / L (.03445 L solution ) = 0.003445 mol HNO3

0.003445 mol HNO3 ( 1 mol Ba(OH)2 / 2 mol HNO3 ) = 0.001723 mol Ba(OH)2

0.001723 mol / 0.025 L = 0.07 M Ba(OH)2

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