What is the mass percent of solute in a solution of 5.15 g of ammonium chloride dissolved in 15.0 g of water?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

How many molecules are in 6.0 moles of methane

What is the vapor pressure of a solution with a benzene to octane?