Compound A: H, C, N; molar mass . Molecular formula is: (C=12, H=1, N=14)

Question

Compound A:  H,  C,  N; molar mass . Molecular formula is: (C=12, H=1, N=14)

Canvas Classes · Accepted Answer

Strategy:
 Determine the empirical formula from the weight percentages and then use the provided molar mass () to find the molecular formula.

Step 1: Atomic ratios
- Carbon: 
- Hydrogen: 
- Nitrogen: 
Dividing by the smallest (1.24):
.
Empirical formula: .

Step 2: Determine multiplier
Empirical mass .
Multiplier .

Step 3: Assemble Molecular Formula
. (This is the formula for Nicotine).

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