What is the concentration of h+ ions at a ph = 2?
mol/l
what is the concentration of oh-ions at a ph = 2?
mol/l
what is the ratio of h+ ions to oh ions at a ph = 2?

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75

answer: i believe the answer is e

step-by-step explanation: