A 350 mL sample of ammonia at 1.00 bar and 27°C is absorbed by water to form 500 mL of solution at that temperature and pressure. Molar concentration of arnmonia is

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0.28 M

0.028 M

2.8 M

0.014 M

answer is B.

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Detailed Solution

Moles of ammonia =pVRT=1×0.3500.083×300=0.0140mol Molar concentration =mol volume in L=0.01400.500 = 0.0280 M

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