what is the mass percent of a solution made by dissolving 22.4 g of sodium chloride in 56.6 g of water? round your answer to correct number of sig figs
what is the mass percent of a solution made by dissolving 22.4 g of sodium chloride...
what is the mass percent of a solution made by dissolving 22.4 g of sodium chloride in 56.6 g of water ? show your work
What is the percent by mass of ammonium chloride, NH4Cl solution made by dissolving 26.5 g of NH4Cl, in 75.0 g of water, H20? O 73.9% O 0.67% O 0.49% O 35.3% O 26.1%
What is the percent-by-mass concentration of Li2CrO4 in a solution made by dissolving 16.7 g of Li2CrO4 in 132.6 g of water?
What is the molality of a solution prepared by dissolving 300 g KCl in 225 g H2O? Show all calculations and report your answer to the correct number of sig figs.
Question 1 (0.25 points) What is the molar concentration of sucrose (C12H22011) in a solution made by dissolving 33.95g of sucrose in enough water to make 500.0mL of solution? Use the Periodic Table in Appendix A of your textbook and round to an appropriate number of sig figs. Your Answer: Answer units Question 2 (0.25 points) What is the molar concentration (M) of potassium acetate in a solution made by dissolving 10.83g of potassium acetate in enough water to make...
What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is mixed into 162.98 grams of water? Choose the answer with the appropriate significant figures and choose the correct unit. Calculate the mass of sodium hydroxide needed to make 125 g of a sodium hydroxide solution that has a mass percent of 10.0%. Choose the answer with the appropriate significant figures and choose the correct unit. 750 mL of a solution is made with 4.00 g...
7. What is the mass percent of sodium acetate in a solution prepared by dissolving 25.0 g of sodium acetate in 150.0 g of water? A. 0.167 % B. 83.3% C. 16.7 % D. 0.143 % E. 14.3 %
Complete the following Assignments 1. Calculate the percent (W/V) of a solution made by dissolving 23.4 g sodium chloride in water to make a 250 ml volume of solution. 2. Calculate the number of grams of NaOH needed to make 1500 mL of a 0.2 M solution 3. 5.0 mL of a potassium chloride solution is transferred to a beaker and the water evaporated. The weight of KCl is 0.75 g. a) calculate the molarity b) calculate the percent (w/v)...
please help 6) What is the mass percent of solute in solution made by dissolving 25.6 g of Nal in 150mL of water? (Density of water is 1.0g/mL) (2pts)
What is the freezing point (in K) of a solution made by dissolving 19.831g of CCl4 in 130.0 g of benzene? Pure benzene has a freezing point of 5.5°C and a Kf = 5.12 °C/m. Write your answer in Kelvin with 4 sig figs!