Question

Помогите решить молекулярную масу Аl2(SО4)3;

Answer 1

Mr (AI2(SO4)3) = 27 ∙ 2 + 32 ∙3 + (16 ∙4)∙3 = 342

Answer 2

Тут все правильно.

Кто знает лучше напишите

Answer 3

Calculating the Molecular Mass of Al2(SO4)3

To calculate the molecular mass of Al2(SO4)3, we need to consider the atomic masses of the elements involved and their respective subscripts in the chemical formula.

The molecular mass of Al2(SO4)3 can be calculated as follows: - The atomic mass of Al (aluminum) is 26.98 u. - The atomic mass of S (sulfur) is 32.07 u. - The atomic mass of O (oxygen) is 16.00 u.

Using the given chemical formula, Al2(SO4)3, we can calculate the molecular mass as follows: - 2 atoms of Al: 2 * 26.98 u = 53.96 u - 3 molecules of SO4: 3 * (32.07 u + 4 * 16.00 u) = 3 * (32.07 u + 64.00 u) = 3 * 96.07 u = 288.21 u

Adding these together, we get: - Molecular mass of Al2(SO4)3 = 53.96 u + 288.21 u = 342.17 u

Therefore, the molecular mass of Al2(SO4)3 is 342.17 u.