compound contains 40.0% C, 6.71% H and 53.29% O by mass.  The molecular weight (MW) of single molecule of the compound is 60.05 amu.  The molecular formula of this compound should be what?  *Written neatly*

A compound is 25.0% carbon, 8.4% hydrogen and 66.6% sulfur by mass. Put symbols in order of CHS. Enter the formula without subscripting the numbers, add no spaces. For example: C4H402. Its empirical formula is

The empirical formula of a compound is CH. If the molar mass of the compound is 104.1g/mole, what is the molecular formula?   One mole of a compound weighs 2.93x10-22. Determine the molar mass (g/mol).

A compound has the empirical formula CH20 and a molar mass of approximately -180. g/mol. What is its molecular formula of the compound? CAH&O4 O C3H,O2 O C3H1608 O CH1206

3. Elements „B and H react to make a binary compound BHy with 22 % by mass of 1H. A) Find the empirical formula of the compound: The mass of H atoms in 100 grams of the compound is g The number of moles of 1H atoms in 100 grams of the compound is mol The mass of 5B atoms in 100 grams of the compound is g The number of moles of 5B atoms in 100 grams of the compound is mol The empirical formula is: (show work) B) The molar mass of the compound is 27.67 g/mol. Find its chemical formula: (show work)

Which element has the largest mass % in alcohol CH3CH₂OH? (Hint: calculate the "mass" of each atom, C, H, O, in the compound) All three elements are the same! H O

The molecular weight of an unknown hydrocarbon is 174.12. The compound is found to be composed of 41.4% C, 3.5% H and 55.1% O. What is the chemical's molecular formula?

A compound is composed of 27.29% C and 72.71% O by mass. What is its empirical formula?

A molecule is found to contain 50.0% by mass C, 5.61% by mass H, and 44.4% by mass O. What is the empirical formula for this molecule? H. C.

A compound composed of Nitrogen, Carbon, and Hydrogen has the following composition by mass: 60.0 % C, 12.0 % H. Determine the empirical formula of this compound.   ii. If this compound has a molar mass of 300 g/mol, what is its molecular formula?