A number x is chosen at random from the set {1,2,3,4........100} Define the event : A= the chosen number x satisfies
Then P(A) is :
Favorable out comes =71
= 0.71
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
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