Calculate the formula mass of barium iodite, Ba(IO,),, in atomic mass units (amu or u). formula mass:

Differentiate molecular, empirical, and structural formula of chemical compounds.

One form of asbestos called chrysotile is considered to be a human carcinogen. Mass analysis shows that the composition of chrysotile is 26.3% Mg, 20.2% Si, 1.45% H, and the remainder of the mass is oxygen. Determine the empirical formula of chrysotile. ( Type in the formula without spaces or subscripts in the order it appears in the problem. As in Mg1Si2H3O4)

a) Determine the empirical formula of a compound that contains sulfur and oxygen. It has been determined that 59.95% of the mass of this compound is oxygen. [   b) The molar mass of the compound is determined to be 240.189 g/mol. What is the molecular formula of the compound?

Vanillin, the active component of the flavoring vanilla, has the composition 63.15% carbon, 5.30% hydrogen, and 31.55% oxygen. A) What is the empirical formula of vanillin? B) If the molar mass of vanillin is 152.14 g/mol, what is its molecular formula?

A 0.82-mg sample of nitrogen reacts with chlorine to form 7.045 mg of the chloride. What is the empirical formula of nitrogen chloride? Express your answer as a chemical formula.

Calculate the mass percentage of oxygen in the organic molecule whose line structure is shown below. Express your answer with four significant figures.

A student obtained the following mass composition of a compound: C: 50.89%. H:8.51%. O: 40.60% What is the empirical formula for this compound?

A compound containing chromium, Cr; chlorine, Cl; and oxygen, O, is analyzed and found to be 33.6% chromium, 45.8% chlorine, and 20.6% oxygen by mass. What is the empirical formula of the compound? The molar mass of chromium, Cr, is 51.996 gmol; the molar mass of chlorine, Cl, is 35.45 gmol; and the molar mass of oxygen, O, is 15.999 gmol.