Indicate whether the osmotic pressure ofa 0.1 M NaNO solution will be less than, the same...

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Indicate whether the osmotic pressure ofa 0.1 M NaNO solution will be less than, the same as, or greater than that of each of

234-f CHAPTER 8 Solutions b. 0.1 M KNO d. 0.1 M glucose a. 0.1 M NaCI c. 0.1 M Na,SO

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Answer 1

Answer #1

96)

Osmotic pressure = i*C*R*T

C, R and T is same for all.

So, if i is same, osmotic pressure would be same.

i for NaNO3 is 2 as it dissociates into 1 Na+ and 1 NO3-

a)

i for NaCl is 2 as it dissociates into 1 Na+ and 1 Cl-

Osmotic pressure will be same as that of NaNO3

Answer: same

b)

i for KNO3 is 2 as it dissociates into 1 K+ and 1 NO3-

Osmotic pressure will be same as that of NaNO3

Answer: same

c)

i for Na2SO3 is 2 as it dissociates into 2 Na+ and 1 SO32-

Osmotic pressure will be greater than as that of NaNO3

Answer: greater than

d)

i for glucose is 1 as it non electrolyte.

Osmotic pressure will be less than as that of NaNO3

Answer: less than

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