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Sindrei [870]
3 years ago
8

Which of the following atoms has the highest first

Chemistry
1 answer:
77julia77 [94]3 years ago
5 0

Answer:

Helium

Explanation:

The first ionization energy varies in a predictable way across the periodic table.

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What volume of a 6.0m hcl solution is required to make 250.0 milliters of 1.5 m hcl
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Answer : The volume for 6.0m HCl solution required = 62.5 ml

Solution : Given,

Initial concentration of HCl solution = 6.0m

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Final volume of HCl solution = 250 ml

Initial volume of HCl solution = ?

Formula used for dilution is,

M_1V_1=M_2V_2

where,

M_1 = initial concentration

M_2 = final concentration

V_1 = initial volume

V_2 = final volume

Now put all the given values in above formula, we get the initial volume of HCl solution.

6.0m\times V_1=1.5m\times 250ml

V_1 = 62.5 ml

Therefore, the volume for 6.0m HCl solution required = 62.5 ml


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