finding the concentration?!?

1

Posted on : 27-04-2014 | By : My Study Coach | In : Improve Your Concentration
1 Star2 Stars3 Stars4 Stars5 Stars (No Ratings Yet)
Loading ... Loading ...

15.5cm^3 of 0.001moldm^3 nitric acid reacts with and neutralises 10cm^3 of calcium hydroxide solution.
-calculate the concentration of calcium hydroxide solution in moldm^3
-calculate the concentration in gdm^3

thanks for the help :)

Related posts:

  1. What is the concentration of an acid solution ?
  2. How to Calculate the equilibrium concentration?
  3. how to calculate concentration?
  4. What was the molar concentration of the original phosphoric acid solution?
  5. ***Chemistry concentration question***?

Share this :

  • Stumble upon
  • twitter

Comments (1)

Equation:

Ca(OH)2 + 2 HNO3 –> 2 H2O + Ca(NO3)2

Mol HNO3 = 0.0155 dm^3 X 0.001 mol/dm^3 = 1.55 X 10^-5 mol HNO3

Mol Ca(OH)2 = 1.55 X 10^-5 mol HNO3 X (1 mol Ca(OH)2/ 2 mol HNO3) = 7.75 X 10^-6 mol Ca(OH)3

Concentration Ca(OH)2 = 7.75 X 10^-6 mol / 0.010 dm^3 = 7.75 X 10^-4 mol dm^-3

Concentration Ca(OH)2 = 7.75X10^-4 moldm^-3 X 74.09 g/mol = 0.0574 gdm^-3

Post a comment

Powered by Yahoo! Answers

Powered by WP Robot

Close
Remind Me Later

Sign Up for Your FREE Study Skills Video Course here