I have two:

1. why can you not find the mass of a beaker, water, vinegar and alka seltzer in one step rather than recording alka seltzer by itself?

2. what is maximum volume of vinegar that can be neutralized by one alka seltzer tablet and explain answer?

1. Because water (and/or vinegar) and Alka Seltzer will react producing a gas which would not be weighed.

2. I don't know the answer to this. You will need the procedure used and the amount of the materials used.

1. The reason why you cannot find the mass of a beaker, water, vinegar, and Alka-Seltzer all in one step is because each component contributes to the overall mass. When you want to determine the mass of a specific substance, it is essential to measure it separately so that you can obtain accurate results.

To find the mass of the water, vinegar, and the beaker together, you would need to measure their combined mass. Then, after adding the Alka-Seltzer tablet into the mixture, you would need to measure the mass of the Alka-Seltzer tablet separately. By subtracting the mass of the Alka-Seltzer tablet from the combined mass of the beaker, water, and vinegar, you can determine the mass of the other substances.

2. The maximum volume of vinegar that can be neutralized by one Alka-Seltzer tablet depends on the reaction between the tablet and the vinegar. Alka-Seltzer contains primarily sodium bicarbonate and citric acid. When it comes into contact with vinegar (acetic acid), a chemical reaction occurs that produces carbon dioxide gas, water, and a solution containing sodium acetate.

The reaction can be written as follows:
Sodium Bicarbonate + Acetic Acid → Sodium Acetate + Carbon Dioxide + Water

The amount of vinegar that can be neutralized by one Alka-Seltzer tablet depends on the stoichiometry of the reaction, specifically the mole ratio between the reactants. From a balanced chemical equation, we can determine this ratio. However, without the specific concentration or amount of vinegar and Alka-Seltzer available, we cannot provide an exact answer.

To determine the maximum volume of vinegar neutralized by one Alka-Seltzer tablet, you would need to perform an experiment or provide more specific information about the concentrations and quantities involved in the reaction.