A student used 1.2g of hydrate in the first trial, 1.6g in the second trial, and 1.3g in the third trial. Would the mass percent of water be the same or different for all three trials? Explain your answer.

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory