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- QUESTION 41 How many grams of NaOH are in 75.0 mL of a 12.5% (m/v) NaOH solution? 9.38 g 6.00 g 938 g 600. gA hypothetical metal hydroxide, M(OH)3 (molar mass = 286.83 g/mol), has a Ksp of 3.9 x 10-13. How many grams does a one liter of a saturated solution contain of M(OH)3? Report answer to two decimal places.1. What percent solution if 11.2 g of Na2SO4 is dissolve to make 112 g of solution? Answer to 2 decimal place 2. The concentration of sugar in a soft drink is measured to be 8.60%. How many grams of sugar are in 268 g of the drink? Answer to 1 decimal place 3. If you have 3.40 g of NaOH solid, what mass of solution can be made to 0.32 % concentration? Answer to 1 decimal place 4. What mass of KF is need to prepare 440 mL of 0.12 M solution? Answer to 2 decimal places. Include the unit. 5. The concentration of sugar in a soft drink is measured to be 9.2 %. How many grams of sugar are in 196 g of the drink? Answer to 1 decimal place 6. What mass of KNO3 is need to prepare 626 mL of 0.24 M solution? Answer to 2 decimal places. Include the unit. 7. What is the molarity if 886 g of (NH4)2CO3 to make 1,716 mL of solution? Answer to 2 decimal places. Answer to 2 decimal places.
- Question 28:What is the initial volume, in milliliters, needed to prepare each of the following diluted solutions? Express your answer to two significant figures and include the appropriate units. Part A:350 mL of 4.0 % (m/v) glucose from 15 % (m/v) glucose Part B:65.0 mL of 3.0 % (m/v) CaCl2 from 9.0 % (m/v) CaCl2 Part C:250. mL of 4.00 MH2SO4 from 18.0 MH2SO47.How many grams of Sodium chloride are in 2200. grams of a 7.00% solution by mass? Answer: Unit: Label/ID: Blank 1: Blank 2: Blank 3:QUESTION 40 A salt solution was made by combining 45g of NaCl with 125g of water. What is the percent concentration (m/m) of the NaCl solution? 26% 36% 3.78% 2.78%
- A bottle contains 72 mL of vanilla extract solution. If the solution contains 59 mL of alcohol, what is the volume percent (v/v) of the alcohol in the extract solution? Question 8 options: 72% (v/v) 36% (v/v) 82% (v/v) 18% (v/v)QUESTION 42 What is the molarity of MgCl 2 in 325 mL of solution that contains 15.6g MgCl 2? 0.504 M 48 M 5.04 x 10-3 M 53.3 M6.What is the concentration, in ppm, if 0.00030 g of Pb was found in 2134 g of drinking water? Numerical answer: Unit: Label: Blank 1: Blank 2: Blank 3:
- Dr. A wants to dilute 30.0 mL of 2.60 M H2SO4 to a new concentration of 0.700 M. To what volume (in mL) should she dilute the H2SO4 solution?A solution is prepared by dissolving 13.5 g of glucose in 0.100 kg ofwater. What is the mass percentage of the solute in the solution?Answer: 13.5 %Question: A solution was prepared by dissolving 25 grams of fruit sugar in sufficient quantity of water to make 100 grams of solution. 1. What is the %W/W of the solution? 2. What is the molecular weight of the solute? 3. What is the mole of solute? Your answer here will be used for the next item(s). 4. What is the mole of solution? Your answer here will be used for the next item(s). 5. What is the mole percent of solute? 6. What is the molarity of the solution?