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3 years ago

What allows a mixture to be separated by distillation

2 answers:

8 0

Distillation is a widely used method for separating mixtures based on differences in the conditions required to change the phase of components of the mixture. To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points, into the gas phase.

Andreas93 [3]3 years ago

5 0

Answer:

difference in boiling points

Explanation:

If you have a mixture of substances, you can heat them up to different temperatures to boil off each substance. The one with the lowest boiling point will boil off first. Then you can catch the gas and condense it down to a liquid.

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3 years ago

Which of the following is a radioactive element?Sodium, Fluorine,Oxygen francium

Maksim231197 [3]

Answer:

Fluorine

Explanation:

These particles stick in the atoms and make them radioactive.

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3 years ago

Distance=100 meters Time=33.2 seconds Speed= pls help

Ivahew [28]

Answer:

3.01

Explanation:

Speed=distance/time

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3 years ago

How many moles are there in 36.0g of Beryllium

Alja [10]

Answer:

4.00 mol

Explanation:

$\frac{36.0g Be }{1} *\frac{1 mol}{9.0122 g}$ = 3.994585118 mol

(If you round Be mass to 9 you get 4 mol)

8 0

3 years ago

The mole fraction of hcl in a solution prepared by dissolving 5.5 g of hcl in 200 g of c2h6o is ________. the density of the sol

Thepotemich [5.8K]

The answer:
all that we search for is the number of mole of HCl and the number of mole of C2H6O

M(HCl) = 5.5g/ mole of HCl , so mole of HCl = 5.5/M(HCl), where M(HCl) is the molar mass.
M(HCl) = 1+ 36.5= 37.5

moles of HCl = 5.5/37.5=0.14

M(C2H6O) = 200g / moles of C2H6O, so moles of C2H6O=200g / M(C2H6O)

M(C2H6O)= 2x12+ 6 + 16=46,

moles of C2H6O=200g / 46 =4.35 moles

the sum of the moles is 0.14 + 4.35 = 4.501 moles

finally, The mole fraction of hcl in a solution prepared by dissolving 5.5 g of hcl in 200 g of c2h6o is 0.031

because it can be found by 0.14 / 4.501= 0.031

5 0

3 years ago