Question

1. choose the best answer.

what must be held constant when applying avogadros law?
pressure and temperature
moles and temperature
pressure and volume

Explanation:

Avogadro's law states that the volume of a gas is directly proportional to the number of moles of the gas, provided that pressure and temperature remain unchanged. This means these two variables must be held constant for the law to apply.

Answer:

pressure and temperature