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Yakvenalex [24]

4 years ago

8

A solute is a mixture in which particles can be seen and easily separated. Please select the best answer from the choices provid

ed T F

1 answer:

Ksju [112]4 years ago

7 0

F because solute is the one which is mixed to the other for a solution and after mixing I can never been seen neither separated !!

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The absorbance of a crystal violet solution in water (density is 1.00 g/mL) is measured in a 1.0 cm cuvette. The absorbance is 0

spin [16.1K]

Answer : The molar concentration of solution is $7.06\times 10^{-6}mol/L$

Explanation :

Using Beer-Lambert's law :

$A=\epsilon \times C\times l$

where,

A = absorbance of solution = 0.614

C = molar concentration of solution = ?

l = path length = 1.0 cm

$\epsilon$ = molar absorptivity coefficient = $87000M^{-1}cm^{-1}$ (assume)

Now put all the given values in the above formula, we get:

$0.614=(87000M^{-1}cm^{-1})\times C\times (1.0cm)$

$C=0.00000705747mol/L=7.06\times 10^{-6}mol/L$

Therefore, the molar concentration of solution is $7.06\times 10^{-6}mol/L$

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