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Preparation and Properties and Uses of Potassium Hydroxide

The average c...

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The average concentration of So2 in the atoms over a city on a certain day is 10ppm when the average temperature is 298K.Given that the solubility of So2 in water at 298K is 1.3653 moles per litre and the Pka of H2SO3 is 1.92 estimate the ph of rain on that day.

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Q. The average concentration of

S O_{2}

in the atmosphere over a city on a certain day is 10 ppm, when the average temperature is 298 K. Given that the solubility of

S O_{2}

in water at 298 K is 1.3653 mol L

^{- 1}

p K_{a}

H_{2} S O_{3}

is1.92. Estimate the pH of rain on that day. (write the value to the nearest integer)

Q. The average concentration of

{S O}_{2}

in the atmosphere over a city on a certain day is

10 p p m

, when the average temperature is

298 K

. Given that the solubility of

{S O}_{2}

298 K

1.3653

m o l

{l i t r e}^{- 1}

p K_{a}

H_{2} {S O}_{4}

1.92

p H

of rain on that day was:

Q. On a certain day the chance of rain is

80 %

30 %

in Hyderabad. Assume that the chance of rain in the two cities is independent. What is the probability that it will not rain in either city?

Q. On an average if it rains on

10

30

, the probability that there will be rain on at least three days of a given week is

Q. In a particular city, there were

136

cloudy days last year and it rained on

102

of those days. What is the relative frequency of rain on a cloudy day in that city?

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