Concentrated hydrochloric acid is about 12.1 m. what volume of concentrated hcl is required to produce 5500 ml of 0.250 m?

5.5L(0.250 mol/1L)=1.375 mol
12.1M(V)=1.375
113.636363636363 mL of 12.1M would produce 5.5 L of 0.250M

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .