88.5 mol of p4o10 contains how many moles of p?

Looking at the formula, each mol of P4O10 contains 4 mol of P, so 
(58.5 mol P4O10) x (4 mol P/ 1 mol P4O10) = 234 mol

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 .