Can someone please help me with this chemistry study guide I’ll send you the link to it

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.