A solution of salt water was made by dissolving 4.25 g of salts for every liter...

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A solution of salt water was made by dissolving 4.25 g of salts for every liter...

A solution of salt water was made by dissolving 4.25 g of salts for every liter of water. If the salt water solution consists of only NaCi, calculate the osmotic pressure of the salt water solution at 35'C. (Hint: NaCI is an electrolyte)

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Answer 1

Answer #1

Osmotic pressure= CRT

concentration (C) = mole/volume

Mole of nacl= 4.25g/40g/mol =0.106 mol

Their is 1L of water dissolve in 0.106 mol of nacl

Osmotic pressure= (0.106/1L)*0.0821*308k

Osmotic pressure=2.68 atm

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Answer 2

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