A1170.-gram sample of nacl() completely reacts, producing 460. grams of what is the total mass of cl2(g) produced?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Why does his teacher ask him to balance the equation by including the correct coefficient

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2