What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875 % acid solution ?

What quantity (in mL) of a 45% acid solution of a mono-protic strong a

1.	What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875 % acid solution ?
Answer» 330 316 320 325 Answer :B