brewer7410 brewer7410

19-03-2018
Chemistry

contestada

An aqueous solution has an h3o+ concentration of 4.4×10-2 m. calculate [oh–] for this solution.

Respuesta :

kenmyna kenmyna

28-03-2018

first calculate Ph
Ph= -log (H3O+)
Ph=-log( 4.4 x10^-2)= 1.4

Ph +Poh=14
Poh is therefore= 14 - 1.4=12.6

Oh- concentration is calculated as follows
1 x10^ -POh
that is 1 x10^-12.6 which is= 2.5 x10^-13

Answer Link

Otras preguntas

Kate gathered three boxes of the same size made of different materials: glass, clear plastic, and aluminum painted black. She placed them on a window sill in th

Two equations are shown: Equation A y = −3x − 2 Equation B y equals 3 over x plus 5 Which statement best compares the graphs of the two equations? Both are non

What were janissaries?

Rafael races his bicycle for 58m . A wheel of his bicycle turns 29 times as the bicycle travels this distance. What is the diameter of the wheel? Use the val

which colonial region had the most religious diversity during the 1700

A cheetah accelerates from rest at a rate of 5.4 m/s2. How far has the cheetah gone after 1.8 seconds?

Electrical metallic tubing would be used in an electrical installation because it

Brent has a model car collection. He was given 3 cars as a gift, and he adds 4 cars per year. Which of the graphs below represents Brent's model car collection?

What organisms are extinct in or near the Chattahoochee river?

Which best describes a change that Mahayana ideas made to Buddhism? a. encouragement of living moderate lives b. adherence to eight moral elements of life c. be