please show work 13) How many grams of glucose are needed to prepare 400 mL of...
How many grams of glucose are needed to prepare 552 mL of a 2.0%(m/v) glucose solution?
How many grams of Na2CO3 are needed to prepare 25.0 mL of a 2.00%(m/v) Na2 CO3 solution? 8-49 8-86 Assume that you have identical volumes of two liquids; the first is 0.3 M glucose solution and the second is 0.1 M glucose solution. Based on the diagrams in Problem 8-85, where red is the 0.3 M glucose and blue is the 0.1 M CEglucose, which one of the diagrams best represents the two liquids after they have stood uncovered for...
Calculate the grams of NaOH present in 10.0 mL of a 8.0% (m/v) NaOH solution. 8.0 g 0.80 g 0.72 g 7.2 g Question 8 Which of the following solutions has a molarity of 2.0? 0.020 mole of solute in 50.0 mL of solution 3.0 moles of solute in 3.0 L of solution 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution
please show work 17) When 200, mL of water are added to 100. mL of 12 % KCl solution the final concentration of KCI is (Assume the volumes add.) A) 12% B) 4.0% C) 36%. D) 6.0% E) 8.0% 18) What is the molarity of a solution containing 5.0 moles of KCI in 2.0 L of solution? A) 2.5 M B) 1.0 M C) 5.0 M C) 10. M E) 2.0 M 19) What is the molarity of a solution...
A) How many grams of HCI are in 300.0 mL of 12.0 M HCI Solution? B) How many grams of solute are present in 125 mL of 0.20 M NaHCO3? C) What is the molarity of the solution when 55.0g of glucose C6H12O6 is dissolved in water to make 1250 mL of solution? D) What is the molarity of the solution when 35.0g of potassium phosphate dissolves in water to make 750. mL of solution? E) A 0.025 M glucose...
How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that is 2.0%w/v? Do NOT include any units, just answer with the NUMBER of grams, for example: 4.2 or 13 or 220. Type your response What is the new concentration, if solvent is added to 20.0 mL of a solution that is 4.0%w/v, until the total volume of the solution is 100.0 mL? (DO NOT include any units with your answer.) Type your response 25...
1. How many grams of pure, solid NaOH are required to make 400 mL of 0.1M NaOH solution? 2. How many grams of a solution that is 50% by weight NaOH is required to make 400 mL of 0.1M NaOH solution? 3. The density of a 50% solution of NaOH is 1.525 g/mL. What volume of a solution that is 50% by weight NaOH is required to make 300 mL of 0.1M NaOH solution? 4. Why does weighing by difference...
How many grams of NaOH are required to prepare 400. ml of 3.0 M NaOH solution? uestion orrect ark 1.00 out of Select one: a.800 g Flng question b. 300g C. 12 g d. 48 g The correct answer is: 48 g
Part B How many grams (of mass m) of glucose are in 185 mL of a 5.50% (m/v) glucose solution? Express your answer with the appropriate units. ► View Available Hint(s) MÅ ? m = Value Units O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Part You have a solution that is 18.5% (v/) methyl alcohol. If the bottle contains 1.99 L of solution, what is the volume (V)...
Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0 L of a 3.0 M NaOH solution Express your answer using two significant figures. IVO AP R O 2 ? g NaOH Submit Request Answer Part B 5.5 L of a 0.40 M CaCl2 solution Express your answer using two significant figures. OVO ACOM O a ? m= g CaCl2 Submit Request Answer Part 190 mL of a 2.75 M NaNO3 solution Express your...