At 20 degrees, a saturated solution of sodium nitrate contains 100grams of solute in 100ml of water. How many grams of sodium chloride must be added to saturate the solution at 50 degrees?

Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Define a is a tiny pavket of energy