1.06 g A solution is prepared by dissolving 89.6 g of NaCl in enough water to form 675 mL of solution. Calculate the mass % of the solution if the density of the solution is 1 mL 58.44 g NaCI 1 mole NaCI 18.016 g H20 1 mole H20 The molar mass of NaCl = The molar mass of water = O 15.5% O 14.6% O 13.8% O 12.5% O ooo

What is the mass percent of ethanol (CH3CH2OH) if 0.0789 moles of ethanol is added to 0.271 kg of water?

Calculate the Molarity of the solution given the following information. 25g KCI dissolved into 250 mL H20 1 mole KCI = 74.6 g %3D

You need to make a 0.64 L solution of Mg(NO3)2 that has a nitrate concentration of 0.829 M. What mass of Mg(NO3)2 is required? Report your answer in SI units

4. Modern pewter is composed of 91.0% Sn, 7.5% Sb and 1.5 % Cu. What mass of pewter contains 150. g of Sb? What mass of Cu is in 212 g of pewter? 91.0g Snx Imole In X I mole In = 108 mole In 118.71g Sn

Imagine you are preparing a solution of NaCl and a solution of CaCl2.  After you prepare them you go out to lunch with your colleagues.  When you come back you cannot remember which solution is in which container because you forgot to label the containers before going to lunch.  What experiments can you perform to identify each solution?

How many chloride ions are present in 65.5 mL of 0.210 M AICI3 solution? 4.02 x 1023 chloride ions 5.79 x 1024 chloride ions 2.48 x 1022 chloride ions 8.28 x 1021 chloride ions 1.21 x 1022 chloride ions

What is the mass percent of ethanol (CH3CH₂OH) if 0.0750 moles of ethanol is added to 0.350 kg of water?

Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of solution.  Assume that the volume of water added was 748 mL.  Density of water is 1.00 g/mL.  1)  What volume of this solution would be required to prepare 500.0 mL of a solution that is 0.0034 M in BaCl2?

A solution that has 20.54 g of aluminum nitrate in 1575 mL is ? M in Al(NO3)3. A solution that has 2.76 kg of CuSO4·5 H2O in 1.45 L  is ? M in copper (II) sulfate pentahydrate. A solution that has 0.005653 mol of Br2 in 10.00 mL is ? M in bromine.