imaniwilson1012 imaniwilson1012

17-09-2022
Chemistry

Answered

What is the [H*] in a solution with pOH of 0.253?
A.
B.
OC
OD.
5.58 x 10-15 M
1.79 x 1014 M
3.21 x 102 M
5.58 x 10 M

Answer :

satyendarsolanki492 satyendarsolanki492

18-09-2022

Answer:

poh = .253

p h2o= p[H+] +P[OH-]

ph2o is 14

14= pH+ + poH

14 = pH+ +.253

14-.253 =pH+

13.747 =ph+

and we know that

log [H+] = -pH+

[H+] = antilog pH+

H+ = antilog 13.747

H+ = 1.79×10-15

Answer Link

Other Questions

Which of the following are homogenous mixtures? 1. Solid steel 2. An aqueous solution of salt 3. Molten salt A) 2 and 3 B) 1, 2, and 3 C) 1 and 3 D) 1 and 2 Tha

Mass of magnesium (g) 5.0 6.5 13.6 (c) Mass of oxygen (g) 3.3 (a) 9.0 12.5 Mass of magnesium oxide (g) 8.3 10.8 (b) 31.5 15. Magnesium metal burns vigorously in

TASK 3: Figure 2 shows the chemicals given to a student. Figure 2 W Four different powdered metals X Y Z Dilute sulfuric acid The student wants to investigate t

Which of the following is not a unit of volume? A.L B.mL C.m3 D.cm2

Number 2 help 2. Which of the following does not describe a pure substance? A (B Molecules of the same type of atom attracted to each other Molecules of differe

From the options provided for each element below, choose the properties that it may have based on its location in the periodic tableNeon (Ne): shiny a conductor

Which of the following rocks are composed of nonmineral matter? granite coal rock salt conglomerate gneiss shale

Science help please questions 3a to 3c

34. Which of the following substances is most likely to exist in the liquid state at room temperature? A) butane B) 2-methylpropane C) cyclobutane D) propan

Starting Temperature (oC) Time to Boil (sec) Trial 1 Time to Boil (sec) Trial 2 Time to Boil (sec) Trial 3 Average time to Boil (sec) Can A - Ice Water 4 oC 255