Arrange the following from LOWEST to HIGHEST number of particles per L of solution:

Question

Arrange the following from LOWEST to HIGHEST number of particles per L of solution:

.1m Na3PO4

.1m C2H5OH

.01m CO2

.15m NaCL

.2m CaCl2

Answer 1

first look at solubility:

NaCl...two particles per molecule
CaCl2..three particles per molecule
C2H5OH...does not break up, one particle per molecule
Na3PO4...four particles per molecule.

Now, mulitily the original given concentration by the number of particles that results when dissolved. For instance, .2mCaCl2=.6m

Now arrange the list from lowest to highest