A solution of methylamine is titrated with hydrochloric acid

Assignment Help Chemistry

Reference no: EM13545949

A beaker containing 20mL of a 0.200 M solution of methylamine (CH3NH2) is titrated with hydrochloric acid (HCl, 0.200 M). Find the pH when the following quantities of HCl solution have been added.

a) 0 ml

b) 15ml

c) 20ml

For part a I got x=0.00213, part b x=3.03*10^-11 and part c x=2.27*10^-11

Reference no: EM13545949

Questions Cloud

Evaluate the initial energy of the system : A string is wrapped tightly around the circumference of a wheel with a mass of 1.23 kg and a radius of 0.324 m. What is the initial energy of the system

What is direction of childs velocity just before collision : A 50 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 32 kg child. The man and child stay together and have a velocity of 3.0 m/s at an angle of 35° north of due east immediately after the collision.

Evaluate the relative stability of the system : Evaluate the stability using Rouths Hurwartz criterion and obtain the range of K value for the stability under various controllers and evaluate the relative stability of the system with P and I controllers.

Estimate its linear speed at the end of the fall : In 1993 a giant 400-kg yo-yo with a radius of 1.5 m was dropped from a crane at height of 57 m, estimate its linear speed at the end of the fall

A solution of methylamine is titrated with hydrochloric acid : A beaker containing 20mL of a 0.200 M solution of methylamine (CH3NH2) is titrated with hydrochloric acid (HCl, 0.200 M). Find the pH when the following quantities of HCl solution have been added.

Evaluate the change in electric potential : The potential energy of a +1 10-6 C charge decreases from 0.06 J to 0.02 J when it is moved from point A to point B. What is the change in electric potential between these two points

What is the received sound frequency : A bat at rest sends out ultrasonic sound waves at 52.3 kHz and receives them returned from an object moving directly away from it at 29.7 m/s. What is the received sound frequency

Explain catalysts and reactants combine : Comment on the unstable intermediate that is formed when catalysts and reactants combine

Calculate what is its fundamental frequency : At T=20degreesC , how long must an open organ pipe be to have a fundamental frequency of 313Hz ? Q 2)If this pipe is filled with helium, what is its fundamental frequency

User Account

All Pages