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Calaulate the average molecules mass of ...

Calaulate the average molecules mass of a polymer sample in which`30%`molecules have a molecular mass of`20,000,40%`have`30,000`,and the rest`30%`have`60,000`

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To calculate the average molecular mass of a polymer sample, we can use the following steps: ### Step 1: Identify the given data - 30% of molecules have a molecular mass of 20,000 g/mol. - 40% of molecules have a molecular mass of 30,000 g/mol. - 30% of molecules have a molecular mass of 60,000 g/mol. ### Step 2: Calculate the number average molecular mass (Mn) ...
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