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A. Calculate the number of moles of solute present in 255 mL of 1.70 M HNO3(aq) . Express your answer to three significant figures. B.

A. Calculate the number of moles of solute present in 255 mL of 1.70 M HNO3(aq) . Express your answer to three significant figures.

B. Calculate the number of moles of solute present in 55.0 mg of an aqueous solution that is 1.75 m NaCl . Assume that for dilute aqueous solutions, the mass of the solvent is the mass of solution. Express your answer to three significant figures.

C. Calculate the number of moles of solute present in 75.0 g of an aqueous solution that is 1.70 % sucrose ( C12H22O11 ) by mass. Express your answer to three significant figures.

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