Question: how many molecules are there in 450g of na2so4?
Answer: 2) How many molecules are there in 450 grams of Na2SO4? 450 Na soullnol Na2SO4 16.02x1023 molec, Na₂SO4 = 119x1024 | 142.05g Na25041 Imol Naz Soy lec Na.