Input interpretation
![butyl acetate | molar mass](../image_source/e8921f04d92bffad9f557f1a5f1aab99.png)
butyl acetate | molar mass
Result
![Find the molar mass, M, for butyl acetate: M = sum _iN_im_i Plan: • Write the chemical formula and gather atomic masses from the periodic table. • Determine values for N_i and m_i using these items. • Finally, compute the mass. Write the chemical formula: CH_3COO(CH_2)_3CH_3 Use the chemical formula to count the number of atoms, N_i, for each element: | N_i C (carbon) | 6 H (hydrogen) | 12 O (oxygen) | 2 Look up the atomic mass, m_i, in g·mol^(-1) for each element in the periodic table: | N_i | m_i/g·mol^(-1) C (carbon) | 6 | 12.011 H (hydrogen) | 12 | 1.008 O (oxygen) | 2 | 15.999 Multiply N_i by m_i to compute the mass for each element. Then sum those values to compute the molar mass, M: Answer: | | | N_i | m_i/g·mol^(-1) | mass/g·mol^(-1) C (carbon) | 6 | 12.011 | 6 × 12.011 = 72.066 H (hydrogen) | 12 | 1.008 | 12 × 1.008 = 12.096 O (oxygen) | 2 | 15.999 | 2 × 15.999 = 31.998 M = 72.066 g/mol + 12.096 g/mol + 31.998 g/mol = 116.160 g/mol](../image_source/e745555ec1a34d18570c9af48b7c3a3e.png)
Find the molar mass, M, for butyl acetate: M = sum _iN_im_i Plan: • Write the chemical formula and gather atomic masses from the periodic table. • Determine values for N_i and m_i using these items. • Finally, compute the mass. Write the chemical formula: CH_3COO(CH_2)_3CH_3 Use the chemical formula to count the number of atoms, N_i, for each element: | N_i C (carbon) | 6 H (hydrogen) | 12 O (oxygen) | 2 Look up the atomic mass, m_i, in g·mol^(-1) for each element in the periodic table: | N_i | m_i/g·mol^(-1) C (carbon) | 6 | 12.011 H (hydrogen) | 12 | 1.008 O (oxygen) | 2 | 15.999 Multiply N_i by m_i to compute the mass for each element. Then sum those values to compute the molar mass, M: Answer: | | | N_i | m_i/g·mol^(-1) | mass/g·mol^(-1) C (carbon) | 6 | 12.011 | 6 × 12.011 = 72.066 H (hydrogen) | 12 | 1.008 | 12 × 1.008 = 12.096 O (oxygen) | 2 | 15.999 | 2 × 15.999 = 31.998 M = 72.066 g/mol + 12.096 g/mol + 31.998 g/mol = 116.160 g/mol
Unit conversion
![0.11616 kg/mol (kilograms per mole)](../image_source/328501aa46cc0af4fd6cd931d593b03d.png)
0.11616 kg/mol (kilograms per mole)
Comparisons
![≈ ( 0.16 ≈ 1/6 ) × molar mass of fullerene ( ≈ 721 g/mol )](../image_source/ff058d491bfc16d0729f6630dcd6e742.png)
≈ ( 0.16 ≈ 1/6 ) × molar mass of fullerene ( ≈ 721 g/mol )
![≈ 0.6 × molar mass of caffeine ( ≈ 194 g/mol )](../image_source/c53ba7dda297f93f9bc11288d91ca21d.png)
≈ 0.6 × molar mass of caffeine ( ≈ 194 g/mol )
![≈ 2 × molar mass of sodium chloride ( ≈ 58 g/mol )](../image_source/2d6744c7bb71056e6fc426337b7dfc0b.png)
≈ 2 × molar mass of sodium chloride ( ≈ 58 g/mol )
Corresponding quantities
![Mass of a molecule m from m = M/N_A: | 1.9×10^-22 grams | 1.9×10^-25 kg (kilograms) | 116 u (unified atomic mass units) | 116 Da (daltons)](../image_source/a8b9d523934bbb6cae5ebf1edd18ed81.png)
Mass of a molecule m from m = M/N_A: | 1.9×10^-22 grams | 1.9×10^-25 kg (kilograms) | 116 u (unified atomic mass units) | 116 Da (daltons)
![Relative molecular mass M_r from M_r = M_u/M: | 116](../image_source/90275f48a57b2f21fa4c5fd3946e18d5.png)
Relative molecular mass M_r from M_r = M_u/M: | 116