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andrew-mc [135]
3 years ago
11

The equation shows the reaction between zinc metal and hydrochloric acid.

Chemistry
2 answers:
liq [111]3 years ago
8 0
The balanced chemical reaction is written as:

<span>Zn(s) + 2HCl(aq) = ZnCl2(aq) + H2(g)
</span>
We are given the amount of the reactant zinc to be used in the reaction This amount would be the starting point for the calculation. It is as follows:

5.00 mol Zn ( 1 mol H2 / 1 mol Zn ) (2.02 g H2 / 1 mol H2 ) = 10.1 g H2

Therefore, the correct answer is the second option.
timurjin [86]3 years ago
7 0

Answer:

B. 10.1g

Explanation:

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C. the relative number of atoms of each element, using the lowest whole ratio.

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The empirical formula is how we simplify the whole formula to simplify it to its smallest indivisible parts.

It is definitely not the actual number of atoms. If you see an empirical formula, don't think that it's the full thing.

It is also not a representation of a compound to show its atoms' arrangement: this would be a Lewis dot structure, or a ball and stick model, or something similar. We don't use the empirical formula for this purpose.

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