Select the correct answer. What is the pH of a solution with a hydronium ion concentration of 5.6 × 10-7?

(pH = -log[H3O+])

A.
5.6

B.
6.25

C.
7.00

D.
14.40

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation:

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

b

step-by-step explanation:

i dont know