A soil with a CEC of 50 cmolc/kg has 10% of its exchange sites occupied by hydrogen ions. There is no aluminum in the system. What is the exchangeable acidity of the soil

What is the molecular formula of a hydrocarbon with m+ = 166? (write the formula with no subscripts, e. g. c4h10.) what is the sum of rings and double bonds in this compound?

Will mark brainliest how many electrons can be held in the energy level n = 4?

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.