Multiply the percentage by the number of ounces of soap you want to make. You would simply multiply the percentage 3 times the total amount of base 4 oz. Enter that amount of oils into an online lye calculator to get the final recipe quantities.
Molar masses of the two soap salt products gmol.
So you find that 8137 is the percent yield. Percentage yield of this saponification reaction. 0027 mol salicylic acid X 13812 g 372g mol. In an experiment the theoretical yield is 32 g but the actual yield is only 24 g.