3 years ago

How many atoms of hydrogen are there in 3.0kg of ethane

1 answer:

8 0

Vzed Justin c no sas.

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Colt1911 [192]

The substance pictured below that has the least density is C.

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aniked [119]

Answer: Yes, the solute is a weak electrolyte

Explanation:

Depression in freezing point is given by:

$\Delta T_f=i\times K_f\times m$

$\Delta T_f=T_f^0-T_f=(0-(-2.05))^0C=2.05^0C$ = Depression in freezing point

i= vant hoff factor = ?

$K_f$ = freezing point constant = $1.86^0C/m$

m= molality

$\Delta T_f=i\times K_f\times m$

$2.05=i\times 1.86\times 1$

$i=1.10$

As i for non electrolytes is 1, the given compound must be an electrolyte and a weak electrolyte as the value is only slightly greater than 1.

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The number of lone pairs that are most likely found on the central atom is zero. There are no lone pairs found on the central atom.

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PilotLPTM [1.2K]

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