Ok. You have a partg.
b.
Kw = 2.09E-14; therefore,
(H^+) = sqrt(2.09E-14)
(H^+) = 1.44E-7 and pH = 6.84
c. You will need to plot.
d. Read the plot you made in c and follow the example I did in part b.I would guess Kw to be about 2.6 or 2.7E-14 at 38C.
Given the following functions, answer the questions:
Temperature (°C) Kw
0 1.1410−15
25 1.0010−14
35 2.0910−14
40. 2.9210−14
50. 5.4710−14
Is the autoionization of water exothermic or endothermic?
(b) What is the pH of pure water at 35°C?
(c) From a plot of ln(Kw) versus 1/T (using the Kelvin scale), estimate Kw at 38°C. (Give your answer to three significant figures.)
(d) What is the pH of a neutral solution at 38°C? (Give your answer to three decimal places.)
I was able to get the first part but I do not understand the rest of it
2 answers
I'm sorry but I am still confused.
1 answer