Achemist has a 30% and a 45% acid solution. what amount of each solution should be used to make 500ml of solution with 35% acidity?
a) 133
1
3
ml of 30% solution and 366
2
3
ml of 45% solution
b) 250 ml of each solution
c) 333
1
3
ml 30% solution and 166
2
3
ml of 45% solution
d) 400 ml of 30% solution and 100 ml of 45% solution