oliviaenrii oliviaenrii

04-05-2020
Chemistry

contestada

What is the pH of a 0.028M solution (pH=-log(M))

A) 3.56
B)2.88
C)1.55
D)1

Respuesta :

kausarraza1200 kausarraza1200

04-05-2020

Answer:

C

Explanation:

-log(0.028)=1.55

Answer Link

grace8786 grace8786

04-05-2020

Answer:

ph =-log (28 x 10^-2)

= -(log 28 +log10^-2) ie using indices

= -(1.44+(-2) )

=-(-0.56)

= 0.56

=approximately (1) ans

Answer Link

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