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