Question

How many grams of potassium nitrate are soluble in 3 kg of water at 40 °C?​

Answer 1

Answer:potassium nitrate has solubility of 67g/100g at 40c.So, 1kg=1000g.

here 3kg=3000g.so 2010hrams of potassium nitrate is soluble in 3kgs of water