Astudent is told to use 20.0 g of sodium chloride to make an aqueous solution that has a concentration of 10.0 g/l (grams of sodium chloride per liter of solution). assuming that 20.0 g of sodium chloride has a volume of 7.50 ml, show that she will need about 1.99 l of water to make this solution. in making this solution, should she add the solute to the solvent or the solvent to the solute?
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(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)
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Astudent is told to use 20.0 g of sodium chloride to make an aqueous solution that has a concentrati...
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