41.64 gram of Lithium and 138 gram of sodium are heated with excess of `N_(2)`. What is the total mass of obtained metal nitrides in gram?

What is the mass of one molecule of water in grams?

What will be the mass of one molecule of CaCl_(2) in grams ?

What is meant by the gram- atomic mass of an element ?

What is the mass in grams of 3 moles of N ?

The specific heat of a metal is 0.16 cal g_1 . The equivalent mass of the metal is 20.04. What is the correct atomic mass of the metal in grams?