Question

Sudha tested the solubility of four salts X, Y, Z and T at different temperatures

and collected the following data. (Solubility refers to the amount in grams

dissolved in 100 g of water to give a saturated solution.) (3)

Answer the following questions from the table
.
(i) Which salt has the highest and lowest solubility at 323 K ?

(ii) A student prepared a saturated solution of X at 323 K and then added 25 g

water to it. What mass of X must be added to again make the solution

saturated ?

(iii) What mass of ‘T’ would be required to make saturated solution in 200 g

of water at 290 K ?​

Answer 1

Answer:

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Explanation

1. a) The highest solubility at temperature of 323k is of salt Y

b)the lowest solubility at temperature of 323k is of salt Z

2. The amount of water added in the saturated solution of X is 25g

So , amount of salt X added to make it a saturated solution is 50g

3. As we know that solubility refers to the amount of grams dissolved in the 100 g of water to make saturated solution

so , it means that

25g of salt T is added to 100 grams of water at 290k temperature to make a saturated solution

so, amount of salt T that we add to make a saturated solution in 200g of water will Be

2 X 25g = 50g

Answer 2

Answer:

Explanation:

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1. a) The highest solubility at temperature of 323k is of salt Y

b)the lowest solubility at temperature of 323k is of salt Z

2. The amount of water added in the saturated solution of X is 25g

So , amount of salt X added to make it a saturated solution is 50g

3. As we know that solubility refers to the amount of grams dissolved in the 100 g of water to make saturated solution

so , it means that

25g of salt T is added to 100 grams of water at 290k temperature to make a saturated solution

so, amount of salt T that we add to make a saturated solution in 200g of water will Be

2 X 25g = 50g