How much water must be evaporated from 8 ounces of a 1 % salt solution to make a   2% salt solution?

May someone me with these science questions

37.0 °c = °f (human body normal temperature)

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic