The mass of MgCl₂ produced is 5.685 grams.
What is mass?
Mass is the quantity of matter of a physical body.
The reaction is
Mg + 2HCl → MgCl₂ + H₂
2 mole of HCl
(2 × 36.458) = 72.8 g
1 moles of MgCl₂
(1 × 95.21 g) = 95.21 g
1 g Mg will produce = [tex]\dfrac{95. 21}{78.2}[/tex]
4.67 mol Mg will produce
[tex]\dfrac{95. 21}{78.2} \times 4.67 = 5.685[/tex]
Thus, the mass of MgCl₂ produced is 5.685 grams.
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