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Tems11 [23]
3 years ago
12

After the child exhaled all of the gas, it becomes sick

Chemistry
2 answers:
Afina-wow [57]3 years ago
6 0
What is the question??
tensa zangetsu [6.8K]3 years ago
5 0
What is your question about it?
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How would you prepare 1.00 L of a 0.50 M solution of each of the following?
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Answer:

Take approx 41.7 mL of 12-M HCl in a 1.00-L flask and fill the rest of the volume with distilled water.

Explanation:

Hello,

In this case, for the dilution process from concentrated  12-M hydrochloric acid to 1.00 L of the diluted 0.50M hydrochloric acid, the volume of concentrated HCl you must take is computed by considering that the moles remain constant for all dilution processes as shown below:

n_1=n_2

Which can also be written in terms of concentrations and volumes:

M_1V_1=M_2V_2

Thus, solving for the initial volume or aliquot that must be taken from the 12-M HCl, we obtain:

V_1=\frac{M_2V_2}{M_1} \\\\V_1=\frac{1.00L*0.5M}{12M}\\ \\V_1=0.0417L=41.7mL

It means that you must take approx 41.7 mL of 12-M HCl in a 1.00-L flask and fill the rest of the volume with distilled water for such preparation.

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ionic

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How many moles are in 68 liters of H2S gas at STP? :}
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