Jimmy Fallon was playing with acids and bases and was trying to determine how many grams of Copper (I) Hydroxide he would need to create 50.12 grams of Copper (I) Phosphate when reacting it with Phosphoric Acid.

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