A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).

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#Question id: 14475

#Unit 14. Methods in Biology

Probability of getting tail in a throw of a coin is

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#Question id: 14476

#Unit 14. Methods in Biology

A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is

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#Question id: 14477

#Unit 14. Methods in Biology

Probability of a card drawn at random from an ordinary pack of cards to be club card is

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#Question id: 14478

#Unit 14. Methods in Biology

Probability of throwing a number greater than 3 with an ordinary die is

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#Question id: 14479

#Unit 14. Methods in Biology

Probability of getting a total of more than 10 in a single throw with 2 dice

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#Question id: 14480

#Unit 14. Methods in Biology

Probability than a leap year selected at random will have 53 Sundays.