The pOH is the negative log of the OH- concentration. Thus, pOH = -log 2.0x10^-2pOH = 1.699 = 1.7
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Fe3+ + 3OH- _____> Fe(OH)3
Oh, what a happy little question! 20 squared is simply 400. Just imagine that number as a beautiful, peaceful meadow where numbers play and dance in the sunlight. Keep painting with numbers, my friend, and let your creativity flow!
Oh honey, the exponent of 300 is 1. Because any number raised to the power of 1 is just the number itself. So, in this case, 300 to the power of 1 is still 300. Math doesn't have to be complicated, darling.
There is no such combination to form an even no. 20 by combing 5 odd nos. as odd+odd=even even +even=evenodd+even=odd even+odd=odd adding 5 odd like
1/20
1.70
12.85 is the pOH.
1.70
1.70
The pOH can be calculated using the formula pOH = -log[OH-]. In this case, pOH = -log(9.0 x 10^-7) ≈ 6.05.
To find the concentration of hydroxide ions ([OH-]) in a solution when the pH is 4.0, you can use the formula pH + pOH = 14. Since the pH is 4.0, the pOH would be 14 - 4 = 10. To convert pOH to [OH-] concentration, use the formula [OH-] = 10^(-pOH). Thus, [OH-] = 10^(-10) = 1 x 10^(-10) M.
The concentration of OH- ions in a solution with a pOH of 4.22 is 5.24 x 10^-5 M.
The pH of a solution can be calculated using the formula pH = 14 - pOH. Given that the pOH is 3.31, we can subtract this value from 14 to find the pH. In this case, the pH of the solution would be approximately 10.69.
To find the pH, calculate -log[H+] using the concentration of hydrogen ions [H+]. To find the pOH, calculate -log[OH-] using the concentration of hydroxide ions [OH-]. The pH and pOH are related by the equation pH + pOH = 14 for a neutral solution.
1.70
12.85
12.85