Caffeine has the molecular formula, CHNO. What is the percent composition of caffeine?Question 19Select one:a.49.4849.48% C, 5.195.19% H, 28.8528.85% N, and 16.4816.48% Ob.33.3333.33% C, 41.6741.67% H, 16.6716.67% N, and 8.338.33% Oc.2525% C, 2525% H, 2525% N, 2525% N, and 2525% Od.27.9227.92% C, 2.342.34% H, 32.5632.56% N, and 37.1937.19% O

What is the molecular formula for Caffeine?

A compound contains 54.26% C, 5.32% H, 14.89% N and the rest is O. How many atoms of N are present in the empirical formula of the compound?Group of answer choices5476

he molecule caffeine has 4 double bonds and 2 rings. How many hydrogen atoms would be in caffeine's formula, C8H?N4O2?Type your answer here (Enter a whole number only)

What is the percent by mass of a solution containing 12.3g of caffeine dissolved in 100.g of water?Group of answer choices11.0%1.00%12.3%0.123%

Calculate percent composition of each element in the compound Ca(NO3)2. Note parenthesis means the subscript 2 after NO3 has to multiplied with 1 N and 3 O. 1 point26.67% Ca, 9.33% N, 64% O24.42% Ca, 17.07% N, 58.51% O24.38% Ca, 16.12% N, 59.50% ONone of the above