A student investigates the properties of an unknown liquid substance in a beaker. The student finds the substance has a mass of 56.2 g and a volume of 42.3 ml.
The liquid has a yellow, translucent appearance. The liquid has a freezing point of
13°C and a boiling point of 105°C. When the liquid boils, a white powder residue is
left in the beaker. What conclusion can the student make based on the evidence
collected?