# Question #b4f98

##### 1 Answer

#### Explanation:

I'll refer to the acid as

Start with the equation:

This tells us that 1 mole of

We can find the number of moles of

Density

Since

Because the acid and alkali react in a 1:1 ratio we can say that the number of moles of

Now we need to find the mass of

I will use the %w/v value of 62.02 which @Stefan found in another version of the question.

You stated that 3ml of solution was used so:

So 1 mole weighs: