Question

The density of methanol (CH$_4$O) is 792 kg/m$^3$. How many molecules are contained in 2.0 nL droplet of pure methanol? You will need these atomic weights: H atom: 1.00784 g/mol C atom: 12.0107 g/mol O atom: 15.999 g/mol 3.1x10$^{19}$ molecules 3.0x10$^{19}$ molecules 4.8x10$^{16}$ molecules 3.8x10$^{13}$ molecules 3.0x10$^{16}$ molecules 3.0x10$^{13}$ molecules 3.8x10$^{16}$ molecules 1.5x10$^{16}$ molecules

          The density of methanol (CH$_4$O) is 792 kg/m$^3$. How many molecules are contained in
2.0 nL droplet of pure methanol? You will need these atomic weights:
H atom: 1.00784 g/mol
C atom: 12.0107 g/mol
O atom: 15.999 g/mol
3.1x10$^{19}$ molecules
3.0x10$^{19}$ molecules
4.8x10$^{16}$ molecules
3.8x10$^{13}$ molecules
3.0x10$^{16}$ molecules
3.0x10$^{13}$ molecules
3.8x10$^{16}$ molecules
1.5x10$^{16}$ molecules

The density of methanol (CH4O) is 792 kg/m^3. How many molecules are contained in
2.0 nL droplet of pure methanol? You will need these atomic weights:
H atom: 1.00784 g/mol
C atom: 12.0107 g/mol
O atom: 15.999 g/mol
3.1x10^19 molecules
3.0x10^19 molecules
4.8x10^16 molecules
3.8x10^13 molecules
3.0x10^16 molecules
3.0x10^13 molecules
3.8x10^16 molecules
1.5x10^16 molecules

Added by Adam D.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Supreeta N

02/13/2023

Step 1

H atom: 1.00784g/mol Show more…

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Thanks for your feedback!

The correct answer is 9.5x10^17. I really need help on this. The density of methanol (CH3OH) is 792 kg/m^3. How many molecules are contained in a 2.0 nL droplet of pure methanol? You will need these atomic weights: H atom: 1.00784 g/mol C atom: 12.0107 g/mol O atom: 15.999 g/mol O3.1x10^19 molecules O3.0x10^19 molecules O4.8x10^11 molecules O3.8x10^13 molecules 3.0x10^11 molecules 3.0x10^13 molecules O3.8x10^16 molecules 1.5x10^11 molecules