Question

Ph 3 and ph7 solution mixed. Resulting ph of solution

Answer 1

Answer:

4 I think so because 7_3 4 right

Answer 2

Answer:

Explanation:

h plus=10^-ph

=10^-3

h plus

=10^-7

total h plus

=10^-3+10^-7

=10^-7(10001)

ph=-log h plus

=-log 10^-7(10001)

- log 10001 -  log10^-7

-log 1.0001*10^4 - log 10^-7

-{4+0.00003 } +7

7-4.00003

2.99997 =ph