3 years ago

The unit of measurement "mL" describes what property of a substance?

Physics

2 answers:

pychu [463]3 years ago

8 0

D. density is your answer

SOVA2 [1]3 years ago

3 0

The unit of measurement "mL" describes what property of a substance?

D. density

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iogann1982 [59]

Explanation:

0.566kg *(1mol/0.197 kg)= 2.87 mol gold

note how the units cancel out, if the units do not cancel out (kg/kg=1) then u did something wrong

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If you have a 1.0 m aqueous solution of NaCl, by how much will it increase the water’s boiling point, if KB = 0.512 °C/m? In oth

fgiga [73]

Answer: The elevation in boiling point is 1.024°C.

Explanation:

To calculate the elevation in boiling point, we use the equation:

$\Delta T_b=ik_b\times m$

where,

i = Van't Hoff factor = 2 (for NaCl)

$\Delta T_b$ = change in boiling point = ?

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Putting values in above equation, we get:

$\Delta Tb=2\times 0.512^oC/m\times 1.0m\\\\\Delta Tb=1.024^oC$

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telo118 [61]

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myrzilka [38]

Answer:

mass = 4kg

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