Calculate the grams/ml of the reagents needed to prepare the following buffers. 1. Na3C6H5O7.2H2O - 294.10...

Question

Question

Calculate the grams/ml of the reagents needed to prepare the following buffers.

1. Na3C6H5O7.2H2O - 294.10 gmol-1

2. C6H6Na2O7 - 236.09 gmol-1

3. C6H7NaO7 - 214.10 gmol-1

4. K3PO4 - 212.37 gmol-1

5. K2HPO4 - 174.18 gmol-1

6. KH2PO4 - 136.09 gmol-1

7. H3PO4 - 98.00 gmol-1 , density - 1.68g/ml

8. CH3COONa - 82.03 gmol-1

9. Ch3COOH - 60.05 gmol-1 , density- 1.049g/ml

10. NaHCO3 - 84.01 gmol-1

11. Na2CO3 - 124.00 gmol-1

Which two citrate versions should be chosen from the table Zone 1: given to prepare pH= 3 buffer?

To create 100ml of a 0.1M citrate buffer (pH 3.0)

science chemistry

Answer 1

Answer #1

Disodium and monosodium citrate will be used.

Answer 2

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