# Physical Science

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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

• Physical Science -

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.

• Physical Science -

Sodium burns vigorously with Golden yellow flame

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