Sabercat4life Sabercat4life
  • 02-05-2020
  • Mathematics
contestada

Anyone I’m really lost

Anyone Im really lost class=

Respuesta :

CHERLYNnotCHERRY
CHERLYNnotCHERRY CHERLYNnotCHERRY
  • 02-05-2020

Answer:

The answer is option 3.

Step-by-step explanation:

You have to substitute H+=2×10^(-9) into the equation of pH :

pH = -log[H+]

H+ = 2×10^(-9)

pH = -log[2×10^-9]

= 8.70 (3s.f)

Answer Link

Otras preguntas

write all the numbers that round to 240
According to the speech, what message did the Secretary of State receive from the Japanese Ambassador just on hour after the attack on the Island of Oahu? a. Th
what Is 15,609 in expanded form
Asking an acquaintance directly for job leads is more effective than asking for advice about jobs. true or false
Seven less than twice a number equals 19
unit rate $7.95 for 5 pounds
how do you get 24 with the numbers 3, 9, 7, and 1?
In which of the following sentences is the word its used correctly? A. Its easy to learn to play the guitar, if you're willing to practice. B. The monster reare
what is the relationship in the 2,s in 75,222
Which is an equation for the given word problem? After Joel deposits $25.50 into his savings account, his balance is $275.00. Which equation can be used to find