How many formula units of NaCl constitute 1.25g of NaCl

Drug abuse will not lead to physical and psychological dependence. true or false ?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.