⚗️ Calculating a Molecular Formula from an Empirical Formula and Molar Mass (Part 1)
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Q1. Butanedione - a main component in the smell and taste of butter and cheese - contains the elements carbon, hydrogen, and oxygen. The empirical formula of butanedione is C_2 H_3 O, and its molar mass is 86.09 g/mol. Determine its molecular formula.
Molar mass of carbon: (12.01 g/mol)
Molar mass of oxygen: (16.00 g/mol)
Molar mass of hydrogen: (1.008 g/mol)
Q2. A compound has the empirical formula CH and a molar mass of 78.11 g/mol. Find its molecular formula.
Molar mass of carbon: (12.01 g/mol)
Molar mass of hydrogen: (1.008 g/mol)
Q3. A compound with the percent composition shown below has a molar mass of 60.10 g/mol. Find its molecular formula.
C: 39.97%
H: 13.41%
N: 46.62%
Molar mass of carbon: (12.01 g/mol)
Molar mass of hydrogen: (1.008 g/mol)
Molar mass of nitrogen: (14.00 g/mol)