Which one of the following pairs has the same mass number of ionsa) 1

1.	Which one of the following pairs has the same mass number of ionsa) 1 mole of NaCl and 1 mole of MgCl2b) 1/2 mole of NaCl and 1/2 mole of MgCl2c) 1/2 mole of NaCl and 1/3 mole of MgCl2d) 1/3 mole of NaCl and 1/2 mole of MgCl2
Answer» ANSWER: the answer in my OPINION is a PART

Which one of the following pairs has the same mass number of ionsa) 1 mole of NaCl and 1 mole of MgCl2b) 1/2 mole of NaCl and 1/2 mole of MgCl2c) 1/2 mole of NaCl and 1/3 mole of MgCl2d) 1/3 mole of NaCl and 1/2 mole of MgCl2

Answer»

the answer in my OPINION is a PART