Solution X is saturated at 40 g per 100 g of water. If 45 g of X is dissolved in 150 g of water, will the solution be saturated,
unsaturated, or supersaturated?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?