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Calculating molecular weights.

Calculate the number of moles in a given mass of a substance given the molecular weight.

Calculating mass of a substance given molecular weight and number of moles.

Calculating the new concentration of a diluted solution.

Example of a dilution calculation involving mass concentration and molarity calculations.

Working backwards from the concentration of a diluted solution to find the concentration of "stock" solution.

Practice at a longer calculation to work out how much glucose is needed to make a solution of a given concentration.

Practice calculating number of moles of a substance given the concentration and volume of a solution.

Differentiate the function $f(x)=(a + b x)^m  e ^ {n x}$ using the product rule. Find $g(x)$ such that $f^{\prime}(x)= (a + b x)^{m-1}  e ^ {n x}g(x)$.

Quiz covering basic arithmetic with complex numbers and solving roots for a quadratic with complex solutions

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Solve a Differential equation with an irreducible quadratic factor 

Solve a Differential equation having 3 simple linear factors & a delta function.

Solve a Differential equation with a repeated linear factor & a delta function

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Power rule

Evaluating a function

A question to test integration by parts in a "pre-Fourier series" setting.