Which salt has a pH < 7? KBr HCOOK CaSO4 NH4NO3

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asked Jul 14, 2018 104k views

2 Answers

Matthew McPeak · Answer 1 · 2018-07-21T03:02:40+0000

If a salt has a pH less than 7, then it is an acid. All acids start with a H in there formula. The only compound that starts with an H from the listed options is HCOOK.

So the salt HCOOK has a pH<7

Which salt has a pH < 7? KBr HCOOK CaSO4 NH4NO3

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