If you dissolve 100g of aluminum nitrate in 500 g of water, what is the molality of the solution? The molecular mass of aluminum nitrate is 212.996 g/mole 2 points
0.94 m
0.47 m
3.24 m
1.07 m

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.