0.540 g of bromine combine with 0.858 g of iodine to yield a compound X. The empirical formula of the compound described above is ________.

Question

Quizplus · Accepted Answer

To find the empirical formula, we calculate the moles of each element:  Moles of Br = 0.540 g / 79.904 g/mol = 0.00676 mol  Moles of I = 0.858 g / 126.904 g/mol = 0.00676 mol  The mole ratio of Br to I is 1:1, so the empirical formula is BrI.

0540 G of Bromine Combine with 0