oliviaenrii
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 kausarraza1200
  • 04-05-2020

Answer:

C

Explanation:

-log(0.028)=1.55

Answer Link
grace8786
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

Otras preguntas

What is the best estimate of 32% of 19 (please tell me the work)
Margo drove for 3.85 hours at an average speed of 61.4 miles per hour. Estimate the total distance that she drove. Explain your method. Find the exact distance
Even though her friends thought writing letters was an old-fashioned thing to do, Robin still enjoyed it. She loved designing stationery on the computer, and sh
A person should be careful not to close _______ eyes while driving A. There. B. The. C. His or her. D. Their
is it ture equivalent decimals are decimals that have the same value
multiply 8.88 x 10to the 4
John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even number. He makes a prediction of
Answer all of these questions in order to get 23 points!! 11 12 13 14 15 16 17 18 19 20
What is equivalent to 3x - 4y = 6 Answer Choices: y = -(6/7) x y= -(3/4) x y= (4/3)x +2 y= (3/4) x - (3/2)
write this number in standard form 4 hundred-thousands 13 thousands 11 hundreds 4 ones