What is the mass of br2 that will form if 5.35 g of kbr reacts with excess cl2

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Calculate the number of molecules present in 0.750 mol of mgo.