Probability that fewer than 120 have a pc
In X-city, 52 % of households have a personal computer. In a random sample of 250 households, what is the probability that fewer than 120 have a PC?
0.2546
0.0918
0.9082
0.1020
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Trichloroacetic acid (CCl3CO2H) is acorrosive acid that is used to precipitate proteins. The pH of a0.050 M solution of trichloroacetic acid is the same asthe pH of a 0.040 M HClO4 solution. Calculate Ka for trichloroace
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