The cell has a potential of 0.2106 v when the solution in the right-hand compartment is a buffer of ph 4.006. calculate the ph and the hydrogen ion activity of each unknown, if when the buffer is replaced with unknowns, the following potentials are obtained from?

1. o2(g)as a product

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 b because c don't explain why the moths are on them and it isn't a because as we know only one species of moth does this