A because it is the only one that a formula doesnt tell
True
Im happy i could help you today
have a great rest of ur week :)
I am first assuming that you want the molarity of the acid. Use the formula

which is the titration formula. M is molarity (a is of acid and b is of base) and V is volume in mL (a is of acid and b is of base). Plugging in gives us

. Solving gives us