Prepare 30 g of cold cream. Calculate the amount of water needed to make the total 100 g.
Understand the Problem
The question provides a list of ingredients needed to prepare 30 grams of cold cream and asks for a calculation to determine the amount of water required to reach a total of 100 grams. It indicates a need for balancing the total mass of all ingredients to achieve the desired final product weight.
Answer
The water required is $16.80 \, \text{g}$.
Answer for screen readers
The amount of water required is $16.80 , \text{g}$.
Steps to Solve
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Calculate the Total Weight of Ingredients First, add up the weights of all the ingredients provided: $$ \text{Total Weight} = \text{Bees Wax} + \text{Liquid Paraffin} + \text{Borax} + \text{Starch} + \text{Methyl Parahydroxy Benzoate} $$ Substituting the values: $$ \text{Total Weight} = 50, \text{g} + 15, \text{g} + 1, \text{g} + 16, \text{g} + 1.20, \text{g} = 83.20, \text{g} $$
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Determine the Required Amount of Water To find out how much water is needed to make the total weight 100 grams, subtract the total weight of the ingredients from 100 grams: $$ \text{Water Required} = 100, \text{g} - \text{Total Weight} $$ Substituting the total weight: $$ \text{Water Required} = 100, \text{g} - 83.20, \text{g} = 16.80, \text{g} $$
The amount of water required is $16.80 , \text{g}$.
More Information
This calculation ensures that the total weight of the cold cream ingredients adds up to 100 grams, which is important for proper formulation in cosmetic recipes.
Tips
- Forgetting to sum the weights of the ingredients before calculating the water required.
- Miscalculating the total weight of the ingredients.
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