Question

Calculate the amount of f a s to prepare M 20 standard solution of f a s

Answer 1

Answer:

use calculater

Answer 2

Answer:

1. Prepare 250 ml of M/20 Mohr's salt solution by dissolving 4.9 g of Mohr's salt in water 20 as described in experiment 11.3. ...

2. Rinse and fill the burette with the given KMn04 solution.

3. Add one test-tube (~ 20 ml) full of dilute sulphuric acid (~ 2 M) to the solution in titration flask.

Explanation:

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