activity.do?locator=assignment-take [Review Topics] [References] Use the References to access important values if needed for this question. If an aqueous solution is 4.99% (w/v) in magnesium bromide, MgBr2, what is the osmolarity of the solution? Osmolarity = osmol/L Submit Answer Retry Entire Group 7 more group attempts remaining O

Q: What volume of concentrated HCI (12 M) solution needs to be diluted to produce 275 mL of 2.1 M HCI…

A: Since we know that  M1V1 = M2V2 Where ,  M1 = initial concentration  V1= initial volume  M2= final…

Q: How many mL of 0.743 M HCI are needed to dissolve 7.59 g of MgCO3? 2HCI(aq) + MGCO3(s) MgC2(aq) +…

A: Given: MgCO3 = 7.59 g V = ? HCl 0.743 M

Q: Use the References to access important välues A student weighs out a 6.43 g sample of CuF2,…

A: For the first question, we have to calculate the molarity of the CuF2 solution when 6.43 g of CuF2…

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0705 M solution of NaF when diluted…

A: When additional solvent is added to more concentrated solution (stock solution), the concentration…

Q: 15. What is the molarity of 60 g of NaOH in 0.250 L of solution? a) 0.16M b) 6M c) 2.66M d) 0.375M…

A: We have to find the molarity of 60 g of NaOH in 0.250 L of solution.  Mass of NaOH = 60g  Molar mass…

Q: Calculate the molarity of 0.350 mol of Na, S in 1.65 L of solution. molarity: M

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as…

Q: QUESTION 6 Determine the final concentration (M) of sucrose after 0.193 L of a 1.15 M sucrose…

A: Dear student since you have posted multiple questions we will solve the first question for you if…

Q: A 6.42% (w/w) Fe(NO3)3 (241.86 g/mol) solution has a density of 1.059 g/mL. Calculate a. the molar…

A: Given, Molar mass of Fe(NO3)3 = 241.86 g/mol Density = 1.059 g/mL w/w of Fe(NO3)3 = 6.42%

Q: What volume of a 0.399 M nitric acid solution is required to neutralize 15.4 mL of a 0.172 M barium…

A: The reaction in which acid react with base to produce salt and water is known as neutralization…

Q: 9. What weight (in grams) of H,SO, would be needed t o be dissolved in 2.25 kg of 2.00m solution?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Suppose that 15.0 ml of 0.0250M aqueous H2SO4 is required to neutralize 10.0 ml of an aqueous…

A: The number of moles of solute dissolved in per liter volume of solution is termed as MOLARITY. It is…

Q: Use the References to access important values if needed for this question. You wish to prepare 259…

A: To solve this problem we have to find the amount of Solute dissolved to make the solution

Q: 5. An ethanol-water solution is prepared by dissolving 10.0mL of ethanol, C2H5OH (density= 0.789…

A: As per our guidelines, I can only answer first three sub-parts of the question.  Concentration of…

Q: In the laboratory a student combines 27.0 mL of a 0.109 M potassium bromide solution with 25.3 mL of…

A: Molarity of potassium bromide =0.109 M Molarity of ammoniumbromide = 0.343 M Final volume = 52.3 mL

Q: The solubility of Al(OH)3 is measured and found to be 2.22×10-7 g/L. Use this information to…

A:

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A:

Q: References Use the References to access important values if needed for this question. How many mL of…

A:

Q: Determine the mass percent composition of a solution made by dissolving 21.1 g of KF in 415 g of…

A: Mass of KF = 21.1 g Mass of water = 415 g Mass of solution = 415 + 21.1=436.1g

Q: To 2.00 L of 0.445 M HCI, you add 3.88L of a second HCI solution of an unknown concentration. The…

A: When two solutions of different molarity are mixed the resultant solution will have new molarity and…

Q: 1.) How many moles of NaCl are present in 350mL of a 2M solution? 2.) How many millimoles of NaCl…

A: Answer: To dilute a solution measured quantity of water is gradually added in the stock solution and…

Q: he molar concentration of N

A:

Q: My professor said the answer choice was A.) please explain why in detail. Which of the following…

A:

Q: To 2.00 L of 0.445 M HCI, you add 3.88L of a second HCI solution of an unknown concentration. The…

A: The formula for calculating the concentration of the second HCl solution can be used as follows:…

Q: How many total moles of ions will form when one mole of Na2SO4(s) is dissolved to form an aqueous…

A: Given, compound Na2SO4(s)

Q: If 10 units of Mg(CIO3)2 are dissolved in water how may units of ions will be in solution? O 10 20…

A:

Q: Which statement(s) below is( are) correct. Select all that apply. A. The number of moles of solute…

A: The solution is given below -

Q: Describe all the steps including mass of salt that is needed to make a 0.2 molar CaCl2 solution!

A: Molar Mass of CaCl2  =  Molar mass of Ca + (2 * Molar Mass of Cl) = 40.078 g/mole + (2 * 35.453…

Q: 43.27 mL of 0.5033 M NaOH are required to neutralize 29.16 mL of a H2So4 solution. What is the…

A: In this question, we want to determine the Molarity of the H2SO4 Solution. How we can calculate, you…

Q: [Review Topics] [References] How many mL of a 0.193 M aqueous solution of cobalt(II) chloride,…

A:

Q: A student wants to prepare a solution of chromium(II) chloride with a known molarity. How many grams…

A: