Ask questions and get helpful answers.

Starting with 50cm³ of 2.8M sodium hydroxide, describe how a sample of pure sodium sulphate crystals can be prepared

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩

2 answers

  1. I don't know

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. millimoles NaOH initially = mL x M = 50 mL x 2.8 M = 140
    2NaOH + H2SO4 ==> Na2SO4 + 2H2O
    Start with 50 cc of 2.8 M NaOH, add140/2 = 70 millimoles H2SO4, allow the solution to cool, heat to remove the water and dry the Na2SO4 crystals in an oven @ 105 C. Done.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.