PART B You are provided with six solutions in labelled microcentrifuge tubes. A one litre volume of each solution was originally prepared using the information provided in Table 2 below. Calculate the final concentration (in mM to the nearest whole number) of each solution you have been given. Table 2 Molar mass Final concentration Tubel Solute Mass (g) dissolved in 1 litre of water solution (g/mol) number (mM) Urea 60.06 18.02 7 8 Sucrose 342.3 102.70 KCI MgCl2 MgCl2 MgCl2 11.18 14.28 9. 74.55 10 95.21 11 95.21 9.52 12 95.21 4.76

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.