In coffee how much would the boiling point in c of the, Chemistry

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In coffee how much would the boiling point in c of the

In coffee, how much would the boiling point (in C) of the water be raised by the addition of 0.2 g of caffeine (C8H10N4O2) to 5.0 L of water in making this so much coffee? Ignore the other ingredients (except water and caffeine) & assume the final amount is 10.0 L (Kb for water is 0.512 K kg mol-1)

a. 0.0001
b. 0.05
c. 10 min
d. 5 min
e. 1.5 min

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