List-I (Polymer) | List-II (Used in making) |
---|---|
Polymer 1 | Application 1 |
Polymer 2 | Application 2 |
Polymer 3 | Application 3 |
Polymer 4 | Application 4 |
The following data represents the frequency distribution of 20 observations:
Then its mean deviation about the mean is:
What is the molarity of a solution prepared by dissolving 5.85 g of NaCl in 500 mL of water?
(Molar mass of NaCl = 58.5 g/mol)