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Elenna [48]
2 years ago
6

How many grams of mgcl2 is produced if 4. 67 moles of hcl react

Chemistry
1 answer:
frosja888 [35]2 years ago
7 0

The mass of MgCl₂ produced is 5.685 grams.

<h3>What is mass?</h3>

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 = \dfrac{95. 21}{78.2}

4.67 mol Mg will produce

\dfrac{95. 21}{78.2} \times 4.67 = 5.685

Thus, the mass of MgCl₂ produced is 5.685 grams.

Learn more about mass

brainly.com/question/19694949

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Explanation:

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a) What substances are present in an aqueous buffer composed of HC2H3O2 and C2H3O2 - ?b) What happens when LiOH is added to a bu
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Answer:

a) HC₂H₃O₂, C₂H₃O₂⁻, H₃O⁺, H₂O, OH⁻

b) HC₂H₃O₂ + LiOH ⇄ H₂O + LiC₂H₃O₂

c) C₂H₃O₂⁻ + HBr ⇄ HC₂H₃O₂ + Br⁻

Explanation:

a) In a HC₂H₃O₂/C₂H₃O₂⁻ buffer system, the following reactions take place:

HC₂H₃O₂ + H₂O ⇄ C₂H₃O₂⁻ + H₃O⁺

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Thus, the species present are: HC₂H₃O₂, C₂H₃O₂⁻, H₃O⁺, H₂O, OH⁻.

b) When LiOH is added to the buffer system, it is partially neutralized according to the following equation.

HC₂H₃O₂ + LiOH ⇄ H₂O + LiC₂H₃O₂

c) When HBr is added to the buffer system, it is partially neutralized according to the following equation.

C₂H₃O₂⁻ + HBr ⇄ HC₂H₃O₂ + Br⁻

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