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DiKsa [7]
2 years ago
5

We are driving to Orlando. The sign says

Chemistry
2 answers:
Sav [38]2 years ago
8 0

Answer:

B! 145,000

Explanation:

your welcome love!

Igoryamba2 years ago
5 0

Answer:

b

Explanation:

there is 1000m in 1 km so the ans is literally just 145x1000 m which is 145000m

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True or False, the central atom in a molecule is the one with the highest electron affinity.
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Aqueous hydrochloric acid (HCl) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid w
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Answer:

87.9 % is the percent yield of H₂O

Explanation:

This is the neutralization reaction. A base reacts with an acid to produce water and the correspondly ionic salt.

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As we have the mass of the two reactants, we must determine the limiting reactant.

Let's convert to moles, the mass of each reactant. (mass / molar mass)

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Ratio is 1:1, so it is obviously that the limiting reactant is the HCl. For 1.15 moles of NaOH, i need the same amount of acid, but I only have 0.579 moles

Let's work with the products now. Ratio is 1:1 again, so If I have 0.579 moles of acid, I can produce 0.579 moles of H₂O.

How many grams are 0.579 moles of water? We should find it out as this

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(Yield produced / Theoretical yield) . 100 =

(9.17 g / 10.4g ) . 100 = 87.9 %

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