Answer:
dont do it , it gave me a virus
Explanation:
Molar mass NH4Cl = <span>53.491 g/mol
number of moles solute :
n = m / mm
n = 20 / 53.491
n = 0.373 moles
solvent in kg :
13.9 / 1000 => 0.0139 kg
Therefore:
m = moles / volume
m = 0.373/ 0.0139
=> 26.83 molal
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The answer is b. i believe
hope this helps!
Top left and bottom right are the atomic models of the same element