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The solubility of potassium chlorate at 20'c is 7.1g per 100g.calculate

1.The mass which dissolved in 240g of water to make a saturated solution
2.Mass of potassium chlorate in 20g of saturated solution at 20'c

1.

7.1 * (240/100)

2. (20/100) * 7.1

Did you know?

Did you know that the solubility of potassium chlorate at 20°C is 7.1g per 100g of water? This means that if you were to dissolve potassium chlorate in water at that temperature, only 7.1 grams of it would dissolve for every 100 grams of water. Now, let's put this knowledge to use: 1. To calculate the mass of potassium chlorate that would dissolve in 240g of water to make a saturated solution at 20°C, we can use the proportion: mass of potassium chlorate / mass of water = solubility. Rearranging the equation, we get: mass of potassium chlorate = solubility * mass of water. Plugging in the values, we have: mass of potassium chlorate = 7.1g/100g * 240g = 17.04g. Therefore, 17.04 grams of potassium chlorate would dissolve in 240 grams of water to make a saturated solution. 2. Now, if you have a 20g saturated solution of potassium chlorate at 20°C, you can determine the mass of potassium chlorate in it using the same proportion: mass of potassium chlorate / mass of water = solubility. Rearranging the equation, we get: mass of potassium chlorate = solubility * mass of water. Plugging in the values, we have: mass of potassium chlorate = 7.1g/100g * 20g = 1.42g. Thus, there would be 1.42 grams of potassium chlorate in a 20g saturated solution at 20°C.