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viva [34]
3 years ago
12

Study the chemical reaction below and answer the questions that follow: 8Al + 3Fe₃O₄ → 4Al₂O₃ + 9Fe How many moles of iron would

be produced if 4.0 moles of aluminum reacts with an excess of Fe₃O₄?
A. 4.0 moles
B. 4.5 moles
C. 8.0 moles
D. 9.0 moles
Chemistry
1 answer:
julia-pushkina [17]3 years ago
3 0

Answer: the answewr is A. hope this helps!

Explanation:

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HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(l)
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Answer:

0.036 g

Explanation:

<em>0.036 g of water should be produced.</em>

From the equation of reaction, 1 mole of HCl requires 1 mole of NaOH in order to produce 1 mole of H2O.

20 mL of 0.10 M HCl contains 20/1000 x 0.10 = 0.002 moles of HCl

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<em>It thus means that the HCl is a limiting reagent in the reaction.</em>

From the equation:

1 mole  HCl will produce 1 mole of H2O.

0.002 HCl with therefore produce 0.002 x 1/1 = 0.002 mole of H2O

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    0.002 x 18 = 0.036 g.

Hence, 0.036 g of water would be produced.

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The solubility of a salt in a given volume of water depends primarily on the
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Hello!

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