2.) Vinegar is an aqueous solution (homogenous mixture) of acetic acid and water (aqueous= "aqua"= Latin for water). To simplify the calculations let us assume that all of the acetic acid in the vinegar reacts and there is some left over "excess" baking soda. The vinegar solution is a 5% acetic acid solution. If you look at the bottle of vinegar somewhere on there it probably says “5% acidity" or similar notation. Let us estimate that about 25.0 g of vinegar solution was used in this experiment, approximately the mass of the 1 inch depth that was poured into the empty water bottle. Of this 25.0 g solution, only 5% of it is acetic acid. The amount of acetic acid in grams needs to be determined because that is what reacted, not the full 25.0 g solution. The calculation below shows what number is needed. ? grams acetic acid X 100 5% acetic acid solution = 25.0 grams acetic acid SOLUTION Solving for results in a value of, ? grams acetic acid (HC2H3O2).
2.) Vinegar is an aqueous solution (homogenous mixture) of acetic acid and water (aqueous= "aqua"= Latin for water). To simplify the calculations let us assume that all of the acetic acid in the vinegar reacts and there is some left over "excess" baking soda. The vinegar solution is a 5% acetic acid solution. If you look at the bottle of vinegar somewhere on there it probably says “5% acidity" or similar notation. Let us estimate that about 25.0 g of vinegar solution was used in this experiment, approximately the mass of the 1 inch depth that was poured into the empty water bottle. Of this 25.0 g solution, only 5% of it is acetic acid. The amount of acetic acid in grams needs to be determined because that is what reacted, not the full 25.0 g solution. The calculation below shows what number is needed. ? grams acetic acid X 100 5% acetic acid solution = 25.0 grams acetic acid SOLUTION Solving for results in a value of, ? grams acetic acid (HC2H3O2).
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 4ALQ
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