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

how can you tell the difference between additive comparison and multiplication comparison
can someone help me with number 25
if 120 marks is 60% what is full marks
how many hundredths are in 0.5
E = mv^2 Work out the value of E when m = 3 and v = 10
how can you tell the difference between additive comparison and multiplication comparison
what was Margaret Brent accomplishments
What is 5,389.029 rounded to the nearest hundreth
what happens to the brightness of the light from each bulb as each new bulb is added?
what would happen if the chromosome number were not reduced before sexual reproduction?