A food scientist also tested some ethanoic acid solution. Ethanoic acid is the acid which is found in vinegar.His results are shown below.

vinegar ethanoic
acid
Volume used/Cm3 50 10
volume of NaOH needed to neutralise/cm 30 10

The ethanoic acid solution contained 10 g of acid in every 100 cm3 of solution.

(b) (i) How many grams of ethanoic acid are there in 10 cm3 of solution ?
(ii) Work out how many grams of ethanoic acid are in 50 cm3 of the vinegar.