Aswimming-pool worker wants the pools ph to be 7.2. she comes by to test the water and finds that the ph is 6.2. what should she do to correct this solution?

add a base

Explanation:

If she needed to raise the pH level up to 7.2, she will add a base

може ли да зареждате повече информация, моля

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.