The mass of sodium chloride (NaCl) produced from the reaction when 471 KJ of heat is released is 67.04 g
Balanced equation
2Na + Cl₂ —> 2NaCl ΔH = + 822 kJ
Molar mass of NaCl = 23 + 35.5 = 58.5g/mol
Mass of NaCl from the balanced equation = 2 × 58.5 = 117 g
SUMMARY
From the balanced equation above,
When 822 KJ of heat is released, 117 g of NaCl were produced.
How to determine the mass of NaCl produced
From the balanced equation above,
When 822 KJ of heat is released, 117 g of NaCl were produced.
Therefore,
If 471 KJ of heat is released, then = (471 × 117) / 822 = 67.04 g of NaCl will be produced
Thus, 67.04 g of NaCl were obtained from the reaction
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