A man bought a can of Now spray paint in order to paint "No Parking" on the fence behind his house using stencils. The container had 9 ounces by weight of chemicals in it, including ketones, toluene, and aliphatic hydrocarbons. Obtain a Material Safety Data Sheet (MSDS) from online that lists the composition. To the best of your ability using the information given, compute the average molecular weight. How many moles are in the can? State one source of error that you cannot get around in computing fully correct values.
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