Which statement best compares the density among the three states of matter?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution