A mass of 80 g of KNO3 is dissolved in 100 g of water at 50 °C. The solution
is heated to 70°C. How many more grams of potassium nitrate must be
added to make the solution saturated?
Check
Question 3
M9

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol