A student titrates 0.2087 g of an unknown diprotic acid with 0.1224 M sodium hydroxide. It takes 32.47 mL of the NaOH solution to reach the endpoint. How many moles of NaOH are used in the titration

The number of moles  of NaOH are used in the titration is moles.

The number of moles should be

= 0.00397 moles.

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Given :

A student titrates 0.2087 g of an unknown diprotic acid with 0.1224 M sodium hydroxide.

It takes 32.47 mL of the NaOH solution to reach the endpoint.

To Find :

How many moles of NaOH are used in the titration.

Solution :

Number of moles( n ) is given by :

n = Molarity × Volume( in liters )

n =

n = 0.00397 moles.

Therefore, moles of NaOH are used in the titration is .

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explanation:

1. they vary with a higher number because boiling is way hotter than melting