Which bone mineral stores fat?

spongy bone
red bone marrow
yellow bone marrow

100mg magnesium reacts with 20ml of 1.0m hcl

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Calculate the number of moles of ethane in 100 grams