Source: Lara Al Hariri and Ahmed Basabrain at the University of Massachusetts Amherst, MA, USA
In this experiment, you will measure the melting point range of two known substances, naphthalene and urea, by observing the melting phenomenon during heating. You'll then analyze a mixture of urea and an unknown substance to observe how the unknown impurity affects the melting point range.
Melting point temperature (°C) | ||
Substance | Start | End |
Napthalene | ||
Urea | ||
Urea + Unknown (trial 1) | ||
Urea + Unknown (trial 2) |