How many moles are there in 45.6 grams of yttrium?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

What are the constituent metals of stainless steel?

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water