Compare the rates of effusion for hydrogen and oxygen gases

Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Which other elements contain the same number of outer electrons as sodium