Question

• What mass of potassium bromate crystallizes on cooling 356 g of a saturated solution at 80 ° C to 20 ° C?      ​

100 g of water dissolve 34.0 g at 80 ° C and 7 g of salt at 20 ° C​

Answer 1

Mass = $\frac{356}{100}= 35.6 g$