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Anvisha [2.4K]
3 years ago
12

What are the answers??

Chemistry
1 answer:
jonny [76]3 years ago
6 0
The first one and last one I think
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Which of the following is NOT a reason for the experimental volume of the flask to be incorrect?
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2

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The percent yield of a chemical reaction is
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Using the balanced equation below, how many moles of water can be produced when 4 grams of Hydrogen react? 2H2(g)+O2(g) —> 2H
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4 × 10 g

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Step 1: Write the balanced equation

2 H₂(g) + O₂(g) ⇒ 2 H₂O(I)

Step 2: Calculate the moles corresponding to 4 g of H₂

The molar mass of H₂ is 2.02 g/mol.

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Step 3: Calculate the moles of H₂O produced from 2 moles of H₂

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The molar mass of H₂O is 18.02 g/mol.

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7 0
3 years ago
It is not f so it could be anyother answer
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H is the answer :)
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