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

Question

Quizplus · Accepted Answer

Water ($\mathrm{H}_2\mathrm{O}$) has a formula mass of 18 amu (2*1 for H + 16 for O). Propene ($\mathrm{C}_3\mathrm{H}_6$) has a formula mass of 42 amu (3*12 for C + 6*1 for H). 2-Propanol ($\mathrm{C}_3\mathrm{H}_8\mathrm{O}$) has a formula mass of 60 amu (3*12 for C + 8*1 for H + 16 for O).

What Are the Formula Masses of Water H2\mathrm { H } _ { 2 }H2​

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