4. Carotene, the pigment responsible for the color of carrots, has a percent composition of 89.49%--C and 10.51%--H. Its molecular mass was found to be 546.9g. Calculate its empirical formula and its molecular formula.

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Assuming 100% composition you would take 0.8949g of carbon and 0.1051 g of hydrogen. You then take the molecular mass given to find moles.

ok so Carbon has .0745 mol and hydrogen has .1043 mol. now what do i do?

so would the units be g/mol?

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