D-96659755 ET Simulation- pH scale K)12 of 23 Part C In the simulation, open the

Question

D-96659755 ET Simulation- pH scale K)12 of 23 Part C In the simulation, open the Custom mode. The beaker will be filled to the 0.50 L mark wiäth a neutral solution Set the pH to 10.10 by using the green arrows adjacent to the graphic on the leftside the pH value of the simulation. Make sure to select the option "Concentration (mol/L) above the graphic. Find the pOH of the solution. Express your answer numerically to two decimal places. View Available Hint(s) on the probe in the solution. Once you adjust the pH note the corresponding OH ion concentration in M as given in pOH 11.15 Incorrect Try Again; 4 attempts remaining

Explanation / Answer

The pH of the 50 ml soltution is given and is equal to 10.10. The pOH of the solution can be calculated using 2 ways:

1)directly using the pH.

we know that pH + pOH = 14.00

10.10 +  pOH =14.00

pOH = 14.00-10.10 = 3.90

Per the instructions, if the OH- concentration were noted, it would be 10-3.90 = 1.26 x 10-4

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