PLEASE ANSWER WITH VALID SOLUTIONS BASED ON NCERT, CLASS 9. FAKE ANSWERS WILL BE REPORTED!

100mg magnesium reacts with 20ml of 1.0m hcl

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

How many formula units in 2.63 mols of nacl?