Sodium and chlorine word equation

Asked by maham237 @ 03/01/2021 in Chemistry viewed by 263 People

Sodium reacts with chlorine gas to form sodium chloride. Write a balanced chemical equation for the reaction, and find the mass of chlorine gas that will react with 96.6 g of sodium.

Answered by maham237 @ 03/01/2021

Chemical equation:
$2 Na + Cl _{2} -\ \textgreater \ 2NaCl$
M ( Na ) = 23 g/moles ( 2 moles Na = 46 g )
M ( Cl 2 ) = 71 g/moles ( 1 mole Cl 2 = 71 g )
so Na needs more Cl 2 to react;
96 : x = 46 : 71
46 x = 6816
x = 6816 : 46
x = 148.17 g
Answer: the mass of chlorine gas is 148.17 g.

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