9. A solution is prepared by diluting 0.055 mol HNO, with water to a volume of...
A solution prepared by dissolving 14.5 mg of a nonelectrolyte in water and diluting to a volume of 10.0 mL gives an osmotic pressure of 33.8 mmHg at 300. K. What is the molecular weight of the nonelectrolyte in g/mol?
16) Determine the concentration of a solution prepared by diluting 20.0 mL of 0.200 mol L-1 NaCl to 250.0 mL A) 0.00800 mol L-1 B) 2.50 mol L-1 C) 0.0320 mol L-1 D) 0.0160 mol L-1 E) 0.320 mol L-1 F) 0.160 mol L-1 17) A 0.334 g sample of an unknown halogen occupies 109 mL at 398 K and 1.43 bar. What is the identity of the halogen? A) F2 B) Cl2 C) 12 D) Br2 E) At2 F)...
What is the concentration of the solution prepared by diluting .400 L of a 4.00 M solution to the final volume of .600 L?
What is the concentration of a solution prepared by diluting 25.0 mL of a 4.50 M H2SO4 solution to a final volume of 1.00 L?
What is the concentration of a KOH solution prepared by diluting 25.0 mL of a 6.0 M stock solution to a dinal volume of 1.00 L?
A 2.50 L solution of ammonia, NH3, was prepared by diluting 0.457 L of a 55.3M NH3 stock solution. What is the molarity of the resulting NH3 solution? (A) 48.4M (B) 12.4M (C) 10.1M (D) 0.0989M (E) 0.0207M
1. What is the molarity of an HNO3 solution prepared by diluting 250.0 ml of a HNO36.00 M solution in a total volume of 2.50 L 2. How many milliliters of a 12 M solution of HCl are needed to prepare 5.0 L of a 0.10 M solution of HCl
4. (two marks) When diluting concentrated acids, always add a. a small acid volume to a larger volume of water b. a tiny volume of water to the acid c. a large acid volume to a small amount of water d. a 50-50 mixture of acid and water e. none of the above 5. (four marks) What volume of water should be added to 500 mL of a 1.0 mol/L CuSO4 solution to dilute it to 0.5 mol/L? a. 500...
If a mixture was prepared by diluting 7.0 mL of the Blue#1 solution with water to a final volume of 10.0 mL and mixing this with 2.0 mL of diluted bleach how many seconds would it require for the mixture to have an absorbance of 0.120? Use your measured values of eb and of the average rate constant, k to answer this question. Show all work. eb= 0.1138 k= -0.035 first order reaction Concentration of Blue Solution= 15 M
please help 9) What is the molarity of a solution prepared by diluting 35.8mL of 6.5 MHCI to 250.0 mL? (2pts)