Input interpretation
![cupferron | molar mass](../image_source/b47378a48ed05d6c4ec7310a94d0660a.png)
cupferron | molar mass
Result
![Find the molar mass, M, for cupferron: 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: C_6H_5N(NO)ONH_4 Use the chemical formula to count the number of atoms, N_i, for each element: | N_i C (carbon) | 6 H (hydrogen) | 9 N (nitrogen) | 3 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) | 9 | 1.008 N (nitrogen) | 3 | 14.007 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) | 9 | 1.008 | 9 × 1.008 = 9.072 N (nitrogen) | 3 | 14.007 | 3 × 14.007 = 42.021 O (oxygen) | 2 | 15.999 | 2 × 15.999 = 31.998 M = 72.066 g/mol + 9.072 g/mol + 42.021 g/mol + 31.998 g/mol = 155.157 g/mol](../image_source/2e80fcee51d3e84e8ae6428dfb006853.png)
Find the molar mass, M, for cupferron: 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: C_6H_5N(NO)ONH_4 Use the chemical formula to count the number of atoms, N_i, for each element: | N_i C (carbon) | 6 H (hydrogen) | 9 N (nitrogen) | 3 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) | 9 | 1.008 N (nitrogen) | 3 | 14.007 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) | 9 | 1.008 | 9 × 1.008 = 9.072 N (nitrogen) | 3 | 14.007 | 3 × 14.007 = 42.021 O (oxygen) | 2 | 15.999 | 2 × 15.999 = 31.998 M = 72.066 g/mol + 9.072 g/mol + 42.021 g/mol + 31.998 g/mol = 155.157 g/mol
Unit conversion
![0.15516 kg/mol (kilograms per mole)](../image_source/e67b74e83b938d99047b2e31c7f4474d.png)
0.15516 kg/mol (kilograms per mole)
Comparisons
![≈ ( 0.22 ≈ 1/5 ) × molar mass of fullerene ( ≈ 721 g/mol )](../image_source/0d4a1192e4711bb38ed7a922eea9060d.png)
≈ ( 0.22 ≈ 1/5 ) × molar mass of fullerene ( ≈ 721 g/mol )
![≈ 0.8 × molar mass of caffeine ( ≈ 194 g/mol )](../image_source/500753cde66c27def446e7e1eeef155f.png)
≈ 0.8 × molar mass of caffeine ( ≈ 194 g/mol )
![≈ 2.7 × molar mass of sodium chloride ( ≈ 58 g/mol )](../image_source/23c8bf02d57a784a0c629feb8c9738de.png)
≈ 2.7 × molar mass of sodium chloride ( ≈ 58 g/mol )
Corresponding quantities
![Mass of a molecule m from m = M/N_A: | 2.6×10^-22 grams | 2.6×10^-25 kg (kilograms) | 155 u (unified atomic mass units) | 155 Da (daltons)](../image_source/39c2170b9c3300c1ca725dcfd7447b93.png)
Mass of a molecule m from m = M/N_A: | 2.6×10^-22 grams | 2.6×10^-25 kg (kilograms) | 155 u (unified atomic mass units) | 155 Da (daltons)
![Relative molecular mass M_r from M_r = M_u/M: | 155](../image_source/6b2ac0e075454c416f3fcd49e571ada2.png)
Relative molecular mass M_r from M_r = M_u/M: | 155