What are the units of molarity? a. moles of component/total moles of solution b. moles of solute/moles of solutions c. moles of solute/kilograms of solvent d. moles of solute/liters of solution

Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4