helpp asap!! An aqueous solution of hydrofluoric acid is 16.7% HF, by mass, and has a density of 1.101 g/mL. What is the molarity of HF (20.0 g/mol) in this solution? Write the numerical answer.

Q: 024-SP-CHM1032-7 X + /quizzes/3786621 t Question 3 0 / 9 pts A chemist needs 225 mL of 2.4 M HCI.…

A: The objective of this question is to find out the volume of 12 M HCl that needs to be dissolved in…

Q: Calculate the mass-volume percent concentration for a 8.7 M NaOH solution.  ____%

A: The mass/volume percent of a solution is defined as the ratio of the mass of solute that is present…

Q: The density of a 5.58 m acetic acid is 1.04 g mL-. What is the molar concentration of this solution?…

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Q: In step 1, we found that there are 3.25 moles of ethanol present in the 1.00 L of solution. The…

A: Given, Moles of ethanol=3.25 moles  Volume=1.00 L  Molar mass of ethanol=46.07 g mol-1 Mass of…

Q: Casey needs to prepare 100.0 mL of a 0.50 M NaOH solution from a 2.0 M NaOH solution. How should…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…

Q: The solubility of lead (II) chloride is 0.45 g/100 mL of solution. What is the Kep of PbCl2? Express…

A: Given Solubility = 0.45g / 100 ml Molar mass of PbCl2 = 278.2 g/mol

Q: %3D What mass of NaHCO3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/ Liter…

A: Given: The volume of the NaHCO3 solution = 20.0 mL The molarity of the solution = 1.0 M We have to…

Q: Q-1- How many gram are present in ( FOUR ) of these solutions. 1- 100 ml. sodium carbonate solution…

A: There are different concentration terms used to express the concentration of solutions. Some of them…

Q: Charysse the Chemist needs to make 500.0 mL of 3.00 M HClO4 solution. She has 11.7 M (concentrated)…

A: Given : Final concentration of HClO4 = 3.00 M Volume of HClO4 to be made = 500.0 mL And…

Q: You need 50 mL of a 1.0 M NaCl solution. After you correctly measure the mass of the NaCl needed,…

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Q: What concentration of barium hydroxide is needed to give an aqueous solution with a pOH of 1.240?…

A: Given, pOH = 1.240 of Ba(OH)2  To find Molarity = ?

Q: To determine the concentration of a NaOH (39.997 g/mol) solution, 1.42 g of C8H5KO4 (a commonly used…

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Q: Please help me answer the following question. It will be a big help, thank you! *Calculate the…

A: Molarity is used to measure the molar concentration of a solution. Molarity is the no of moles of…

Q: The circle shown here represents 1.0 L of a solution with a solute concentration of 1 M: Part A…

A: We have a 1.0 L solution with 1M solute concentration, this is represented by 8 particles in the…

Q: Some graduate students have a solution of 1 M NaCl in the lab. What volume of the Nacl solution and…

A: N1= 1M N2= 0.035 M  V2= 1L V1=??

Q: If 50.1 mL of 0.128 M hydrochloric acid requires 17.5 mL of NaOH solution to reach the endpoint,…

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for…

Q: A Moving to another question will save this response. Question 13 Which of the following compounds…

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Q: 49.7 mL of 0.11 M hydrochloric acid requires 14.3 mL of NaOH solution to reach the endpoint, what is…

A: V1(HCl) = 49.7 ml M1(HCl) = 0.11M V2(NaOH) = 14.3 ml

Q: What percent solution if 11.2 g of Na2SO4  is dissolve to make 112 g of solution?  Answer to 2…

A: mass of Na2SO4 = 11.2 g mass of the solution = 112 gmass % of the solution = ?

Q: Calculate the molarity of a concentrated solution of hydrochloric acid that is 37.7 % by mass HCl;…

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Q: The bottle labelled “concentrated hydrochloric acid” in the lab contains 12.0 mol of HCl per liter…

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Q: Calculate the molarity when 3.72 mol of Formic Acid (CH2O2) is dissolved in a 581 mL solution. Can…

A: Molarity of solution is defined as number of moles of solute  dissolved per litre of solution.

Q: 1) Find the mass of potassium hydroxide and water needed to make a 5.80 % wt solution. 2) Find the…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 6.42 %(w/w) ferric nitrate solution has a density of 1.059 g/mL. Calculate the molar analytical…

A: Given :  Concentration of Ferrric nitrate = 6.42 % (w/w)  Density of solution = 1.059 g/ml

Q: c. 8.50 g of NH4 Cl in 270.0 mL of solution M NH4 Ma- M

A:

Q: How many moles of CsBr are contained in 244 mL of 0.135 m CsBr solution? The density of the solution…

A: Molality (m) It is the concentration term that describes the number of moles of solute per kilogram…

Q: The mass percent of acetic acid in household vinegar is approx. 5.00% How much water would you need…

A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

Q: Q8. Commercially available concentrated hydrochloric acid is 37.0% w/w HCI. Its density is 1.18…

A: 37 % w/w HCl density = 1.18 g/mL

Q: Use the Solubility Curve to answer the following questions. REMEMBER UNITS! a. Types of Solutions…

A: CONCEPT: Saturated solution: If no more solute can be added at a particular temperature, solution is…

Q: Given a concentration of a solution, determine the amount of solute. a) Percent weight to weight is…

A: a. 0.5 g of NaCl   b. 6.25 mL of ethanol   c. 7.5 g of glucose

Q: If the density of tap water is 1.01 g/mL, what mass of solution was tested?  =     g solution

A: Given: Concentration of Cl-=0.00151 MVolume of tap water=1.00 LDensity of water=1.01 g/mL