Question

In: Chemistry

Suppose that you wish to titrate methylamine (CH3NH2, a weak base) with hydrochloric acid (a strong...

  1. Suppose that you wish to titrate methylamine (CH3NH2, a weak base) with hydrochloric acid (a strong acid). From the list below, which would be the best indicator to use for this titration?

Hint: Consider what is present in solution at the equivalence point of this titration.

Name of Indicator

pH Range

Methyl Yellow

2.9 - 4.0

Thymol Blue

8.0 – 9.6

Phenolphthalein

8.3 - 10.0

Thymolphthalein

9.4 – 10.6

Solutions

Expert Solution


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