How many representative particles are in one mole of CO2?

Can someone me with 6 to 10 plz this is for masteries test.

Which of the following statements are incorrect?

The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen