Choose the correct setup for calculating the mass
of hcl required to form a given mass of nacl.
acid
mol naci 1 mol hci s hci
g nacl x-
g naci * 1 mol naci * mol hci
and
0
g hci
mol hci 1 mol nacig naci
g hci * 1 mol hci mol naci
x
4 mol
4 mol
g nacl 1 mol nacl mol hci
g nacl x mol naci* 1 mol hci^ g hci
120
g hci 1 mol hci mol naci
9 hi* mol hci 1 mol naci* naci

Ibelieve the answer is d

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 .

The answer is solid copper 

I'm pretty sure the answer is alcohol