3 years ago

28 divided by 6 is?? I’m in the 7th grade helping my little sis out can remeber this stuff

Mathematics

1 answer:

Svetradugi [14.3K]3 years ago

7 0

Answer:

4.6666(repeating)

Step-by-step explanation:

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Step-by-step explanation:

4 more= 4+

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4+ 3x

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Genrish500 [490]

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A mixture of compounds X and Y in a 0.100-cm cell had an absorbance of 0.215 at 272 nm and 0.191 at 327 nm. Find [X] and [Y] in

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Answer: The concentration of X is $7.13582\times 10^{-6}$ and the concentration of Y is $2.53159\times 10^{-5}$ .

Step-by-step explanation:

Since we have given that

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At 327 nm, absorbance = 0.191

As we have given that

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So, our equations becomes

$16400C_1+3870c_2=0.215\\\\3990C_1+6420C_2=0.191$

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$C_1=7.13582\times 10^{-6}\\\\C_2=2.53159\times 10^{-5}$

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mel-nik [20]

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