A team wants to understand the effects of molecular weight on boiling point. The team has access to

Question

five substances with different molecular weights and the time to measure 50 boiling points. How can
the team make the best use of the laboratory testing time? (1 point)
by taking 10 measurements of each of the five liquids and using the highest value from each set
by taking one measurement of each liquid and then working to improve the least certain liquid in the group
by taking 10 measurements of each of the five liquids and finding an average
by taking measurements of the liquids one at a time, making sure that the correct results are achieved
before moving on to another liquid

Answer 1

To make the best use of the laboratory testing time, the team should opt for taking 10 measurements of each of the five liquids and finding an average. This approach allows the team to obtain a reliable estimate of the boiling point for each substance by minimizing random errors and variability in measurements. Averaging multiple measurements increases the precision of the results and gives a clearer understanding of how molecular weight relates to boiling point across the different substances.

So the correct choice would be: by taking 10 measurements of each of the five liquids and finding an average.