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Kipish [7]
3 years ago
15

How many grams of oxygen are needed to produce 5.40 g of water according to this equation? 2 H2 (g) + O2 (g) ⟶ 2 H2O (l)

Chemistry
1 answer:
garik1379 [7]3 years ago
8 0

Explanation:

https://socratic.org/questions/using-the-equation-2-h2-o2-2-h2o-determine-how-many-grams-of-oxygen-will-be-need

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andreyandreev [35.5K]

Answer:

Molar mass of CH18 =30

Explanation:

CH18

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CH18 = 12 + 1 (18) = 12 +18 = 30

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3 years ago
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Which description of salt is a physical property?
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White being the color and coming in small grains.

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Physical properties are something you can clearly see about the object.

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When an acid or vase is added to to water,
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yes

Explanation:

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Which action effectively increases the reactant concentration and increases
yanalaym [24]

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heating the reactant mix

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Heat can result in to speed the reaction process.

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The total volume required to reach the endpoint of a titration required more than the 50 mL total volume of the buret. An initia
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Answer:

The endpoint volume is 50.52 ±  0.14 mL

Explanation:

In a titration always is necessary to subtract the blank volume to the titrant volume to obtain the real volume of the titrant. Thus in this case, the total endpoint volume is the sum of the initial volume delivered and the second volume delivered, minus the blank volume:

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V = (49.16 + 1.69 - 0.33) ± (0.06+0.04+0.04) mL

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It is necessary to consider the sum of the errors too.

7 0
3 years ago
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