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Chemistry
Chemistry
Problem
A laboratory rinse solution contains
0.85
mg
0.85\,\text{mg}
0.85
mg
of
O
H
−
OH^-
O
H
−
ions per liter of solution. At
25
∘
C
25^{\circ}\text{C}
2
5
∘
C
, what is the pH of this solution? (Molar mass of
O
H
−
OH^-
O
H
−
=
17.0
g mol
−
1
17.0\,\text{g mol}^{-1}
17.0
g mol
−
1
) a)
4.30
4.30
4.30
b)
12.70
12.70
12.70
c)
9.70
9.70
9.70
d)
6.70
6.70
6.70
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