The table shows the recipe and the available ingredients for making the maximum possible number of sandwiches. Making Sandwiches
Recipe for One Sandwich Total Ingredients Available
2 tomato slices, 4 cucumber slices, 2 bread slices 8 tomato slices, 22 cucumber slices, 8 bread slices

If the ingredients represent reactants of a chemical reaction, which of the following represents the leftover reactant?

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt