Christy is a forensic scientist. She is given
a white powder and asked to determine whether it's sugar. She analyzes the white
powder with a mass spectrometer in her lab. The test results reveal that the substance has a different molecular mass than
sugar. What do these test results say about the initial hypothesis and what would be a reasonable next step for Christy's
investigation?
Select the correct answer from each drop-down menu.
The white powder___
sugar, so Christy's hypothesis is____
Christy's next step should be to _____
1st drop down-
A. is not
B. is
2nd-
A.correct
B. incorrect
3rd-
A. identify substances that have the measured molecular mass
B. Research the physical and chemical properties of sugar
C. Determine how to make her measurements match her expected result