CH-393
Purity and melting point
Chemistry · Secondary 3 · Medium · Purity and melting point
A student measures the melting point of a solid and finds that it melts over the range 95–101 °C. The literature value for the pure solid is 104 °C.
Which conclusion about the student’s sample is most likely correct?
Which conclusion about the student’s sample is most likely correct?
- It is impure because it melts over a range below 104 °C.
- It is pure because it is a solid at room temperature.
- It is pure because it melts close to 104 °C.
- It is impure because it melts above 104 °C.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.