Question

What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7?
A.7
B. 7 x 10-7
C. 5 x 10-7
D. 1 x 10-7

Answer 1

5 × 10-7 is the concentration,in moles/liter,of the hydrogen ion,if PH of a solution is 7

Answer 2

its answer is part (C) i.e . 5×10-7