Part A. caculate the molarity. 6.65 g of NaCl in 250. mL of a NaCl solution Part B. calculate the volume, in liters, f...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
17. What volume of 0.345 M NaCl solution is needed to obtain 10.0 g of NaCl? 18 How many milliliters of a 0.0015 M cocaine hydrochloride (C17H22ClNO4) solution is needed to obtain 0.010 g of the solute? 19.. A solution having an initial concentration of 0.445 M and the initial volume of 45.0 mL is diluted to 100.0 mL. What is its final concentration? 20. A 50.0 mL sample of salt water that is 3.0% m/v is diluted to 950...
An aqueous NaCl solution is made using 126 g ofNaCl diluted to a total solution volume of 1.00 L . Calculate the molarity of the solution. Express your answer using three significant figures. M = 2.16 M Part B Calculate the molality of the solution. (Assume a density of 1.08 g/mL for the solution.) Express your answer using two significant figures. m = 2.3 m Part C Calculate the mass percent of the solution. (Assume a density of 1.08 g/mL...
a.)Calculate the mass percent (m/m) of a solution prepared by dissolving 47.97 g of NaCl in 170.1 g of H2O. Express your answer to four significant figures. b). Vinegar is a solution of acetic acid in water. If a 285 mL bottle of distilled vinegar contains 17.8 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures. c.)Calculate the mass/volume percent (m/v) of 19.0 g NaCl in 48.0 mL of...
Calculate the final concentration of each of the following diluted solutions. Part A A 50.6 mL sample of 4. aOH is diluted with water so that the final volume is 104.0 mL Express your answer using two significant figures. PO AQ R O 2 ? Chimal = Cfinal = % (m/v) Submit Request Answer Part B A 13.0 mL sample of 40 % (m/v) acetic acid (CH3 COOH) solution is added to water to give final volume of 25 mL....
A 115-ml sample of an 8.2 M NaCl solution is diluted to 3.0 L. What volume of the diluted solution contains 12.8 g of NaCl? (Hint: Figure out the concentration of the diluted solution first.) Express your answer using two significant figures. Please explain how you got the answer, thank you!
a. Calculate the mass percent (m/m) of a solution prepared by dissolving 43.83 g of NaCl in 168.6 g of H2O. Express your answer to four significant figures. b. Vinegar is a solution of acetic acid in water. If a 125 mL bottle of distilled vinegar contains 31.3 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures c. Calculate the mass/volume percent (m/v) of 18.5 g NaCl in 71.5...
Calculate the mass percent (m/m) of a solution prepared by dissolving 58.66 g of NaCl in 169.7 g of H2O. Express your answer to four significant figures. Vinegar is a solution of acetic acid in water. If a 245 mL bottle of distilled vinegar contains 20.9 mL of acetic acid, what is the volume percent (v/v) of the solution Express your answer to three significant figures. Calculate the mass/volume percent (m/v) of 15.5 g NaCl in 71.5 mL of solution....
1)Calculate the mass percent (m/m) of a solution prepared by dissolving 54.78 g of NaCl in 151.4 g of H2O. Express your answer to four significant figures. 2)Vinegar is a solution of acetic acid in water. If a 245 mL bottle of distilled vinegar contains 26.1 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures. 3)Calculate the mass/volume percent (m/v) of 24.0 g NaCl in 69.5 mL of solution....
1. a 26.0 mL sample of a n 6.6% (m/v) KBr solution is diluted with water so that the final volume is 218.5mL 2. A 8.5mL sample of a 45.5% (m/v) acetic acid (HC2H3O2) solution is added to water to give a final volume of 43mL