Question

to determine the density of a substance, the y - axis of the graph should be...
a) boiling temperature
b) volume
c) molar mass
d) vapor pressure
e) mass

Explanation:

Density is calculated as \(
ho=\frac{m}{V} \), where \(
ho \) is density, \( m \) is mass, and \( V \) is volume. When plotting a graph to determine density, we usually plot mass (\( y \)-axis) against volume (\( x \)-axis). The slope of the line \( \frac{\Delta y}{\Delta x}=\frac{\Delta m}{\Delta V} \) gives the density. Boiling temperature, molar mass, and vapor pressure are not related to the basic density - volume - mass relationship for a simple density - determination graph.

Answer:

E. mass