Sodium (Na) reacts with chlorine gas (Cl2) to form sodium chloride (NaCl) as shown in the equation

2Na+Cl2=2nacl

If 4 moles of sodium react, how many moles of chlorine gas will react?

I have no idea what to do.......... I need some assistance thanks

2 answers

the equation says that 2 moles of Na react with 1 mole of Cl2

4/2 = 2, so just multiply all the quantities by 2:

4 moles Na react with 2 moles Cl2.
Sodium burns vigorously with Golden yellow flame