What Are the Formula Masses of Water $\mathrm { H } _ { 2 }$

question 112

Multiple Choice

What are the formula masses of water, $\mathrm { H } _ { 2 }$ O; propene, $\mathrm { C } _ { 3 }$ $\mathrm { H } _ { 6 }$ ; and 2-propanol, $\mathrm { C } _ { 3 }$ $\mathrm { H } _ { 8 }$ O?

• A)water: 18 amu; propene: 40 amu; 2-propanol: 58 amu
• B)water: 18 amu; propene: 42 amu; 2-propanol: 62 amu
• C)water: 18 amu; propene: 42 amu; 2-propanol: 60 amu
• D)water: 18 amu; propene: 44 amu; 2-propanol: 64 amu

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