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).

TLS Online TPP Program

#Question id: 16780

#Unit 13. Methods in Biology

Find the Median of the following grouped data. 

TLS Online TPP Program

#Question id: 16777

#Unit 13. Methods in Biology

What is the formula for the median of Grouped data? 

TLS Online TPP Program

#Question id: 16776

#Unit 13. Methods in Biology

If the Mean and Mode are 25, then find the Median.

TLS Online TPP Program

#Question id: 16775

#Unit 13. Methods in Biology

If the mean and the mode are given as 35 and 30. Find the Median.

TLS Online TPP Program

#Question id: 14857

#Unit 13. Methods in Biology

A man has 9 friends (4 men and 5 women). In how many ways can he invite them, if there have to be exactly 3 women in the invitees ?

TLS Online TPP Program

#Question id: 14856

#Unit 13. Methods in Biology

If 3 squares are chosen at random on a chess board the probability that they should be in a diagonal line is