Question Answers

Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Chemistry > Chapter 7 - Equilibrium > 40 ml of 0.1 M ammonia is mixed with 20 ml of 0.1M HCI. What is the pH of the mixture ? (pKb of ammonia solution is 4.74.)

40 ml of 0.1 M ammonia is mixed with 20 ml of 0.1M HCI. What is the pH of the mixture ? (pKb of ammonia solution is 4.74.)

A string of mass 2.50 kg is under a tension of 200 N. The length of the stretched string is 20.0 m. If the transverse jerk is struck at one end of the string how long does he disturbance take to reach the other end ?