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Brrunno [24]
3 years ago
6

How much nitrous oxide is in the atmosphere ​

Chemistry
2 answers:
lidiya [134]3 years ago
4 0
<h2>Not enough to feel anything <em><u>dawg</u></em></h2>
seropon [69]3 years ago
3 0
Answer is: 0.330 ppm
Hope this helps
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In the reaction, Zn(s) + 2 HCl(aq) --&gt; ZnCl2 (aq)+ H2(g), 25 grams of Zn are reacted with 17.5 g of HCl. How many grams of H2
Gennadij [26K]

Answer:

0.480 g of H₂ are produced, in the reaction.

Explanation:

This is the reaction:

Zn(s)  +  2HCl → ZnCl₂ (aq) +  H₂ (g)

We havethe mass of both reactants, so we must work with them to find out the limiting reactant and then, determine the amount of H₂ produced.

Let's convert the mass to moles ( mass / molar mass)

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Ratio is 1:2, so 1 mol of Zn react with the double of moles of HCl.

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Now let's determine the moles of H₂ formed.

Ratio is 2:1, so If i take account the moles I have, I will produce the half of moles of my product.

0.480 moles / 2 = 0.240 moles of H₂ are produced.

To find out the mass, we must multiply mol . molar mass

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Which elements are represented by the symbols S and Na?
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