Question

Question #7d366

Answer 1

`C=0.01175M`

Explanation:

Let's first find how many mols are `2.35 grams` of `NaOH`

`n_"NaOH"=m/(Mr)=2.35/40=0.05875mols`

Let's now convert the `500cm^3` into `Litres`

`500cm^3=500cm^3*(0.001L)/(1cm^3)=5L`

Now the concentration is:

`C=n/V=0.05875/5=0.01175M`