What are the respective concentrations (M) of K+ and SO4- obtained by dissolving 0.460 mol K2SO4 in water and diluting to 500. mL?

Q: What is the molality of ions in a 0.265 m solution of (NH₄)₃PO₄ assuming the compound dissociates…

A: Given: Moles of the solution= 0.265. To find: The molality of the solution.

Q: • How many grans and how many mL of 40.0 wt-% urea solution (density 1.111 g/mL) are required to…

A: The reactions to be considered are,

Q: What is the weight percent (w/w) of NaOH in a solution prepared by dissolving 30.0g of NaOH in…

A: The mass percentage of an element in a particular compound can be found by dividing the atomic mass…

Q: 2. Calculate the number of grams of NaHCO3 needed to prepare 500.0 mL óf å 0.250 M NaHCO3 solution…

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

Q: WHICH OF THE FOLLOWING WILL BE MOST SOLUBLE IN H2O? 1. Ar 2. O2 3. CO2 4. CH4 5. KCI

A: A solution consists of two components; solute and solvent.  The solute can be defined as the…

Q: 2- Calculate the molality of 15.00 M HCI with a density of 1.0745 g/cm??

A: Given, Molarity of HCl solution = 15.00 M. The density of the solution = 1.0745 g/cm3

Q: What is the % (m/v) concentration of an ammonium chloride (NH4Cl) solution that was prepared by…

A: % m/v is given by  % m/V = mass of solute X 100 / Volume of solution in mL Since mass of solute…

Q: A 1.000 m solution of chloroacetic acid (ClCH₂COOH) freezes at 1.93°C. Find the Kₐ of…

A:

Q: If 100.mL of water is added to 25mL of 5.0M NaCl, the final concentration is

A:

Q: What is the concentration of ammonia in a solution made by dissolving 3.75 g of ammonia on 12.0 L of…

A: Molarity: The concentration for solutions is expressed in terms of molarity as follows,

Q: Butane, C4H10, has been suggested as the refrigerant in household compressors such as those found in…

A:

Q: What is the concentration in %m/v of a 0.381 M aqueous solution of ethanol (MM = 46.07 g/mol)?

A: Given  Molarity of ethanol solution  =  0.381 M                                                 =…

Q: The solubility of nitrogen gas at 20 C is 19 mg/L. Calculate the maximum molar and mass…

A:

Q: Can 750 mL of water dissolve 0.60 moles of gold (III) chloride, AuCl 3?

A: Given data: Moles of AuCl3 = 0.60 moles Molecular mass of AuCl3 = 303.33 g

Q: What is the mass of K2CrO4 necessary to prepare 10 mL of a 5% (w/v) indicator solution?

A: Percentage weight by volume is defined as the ratio of the mass of solute to the volume of solvent…

Q: What is the mass of KCIO3 that can be dissolved in 200g of H20 at 90° C?

A:

Q: Calculate the amount of oxalic acid (C2H2O4.2H2O) to prepare 0.04 Molar solution in 200 mL. [Na=23,…

A: The molarity of a solution is calculated as the number of moles of a solute dissolved in a given…

Q: 5) What volume of 1.00M NaOH is required to neutralize 35.0 ml of 0.102M hydroiodic acid, HI?

A: The interaction between an acid and a base is known as a neutralization reaction, and it results in…

Q: Wh‎at is Molarity of a 5.0‎0% (v/v) ac‎etic acid ? De‎nsity of pure ace‎tic acid is 1.05 g/mL. MM…

A:

Q: Calculate the molar concentration of sodium ions when you add 2.80g of Na2CO3 to 100.0 mL of 0.250M…

A: Given :  Mass of Na2CO3 = 2.80 gm  Volume of CuSO4 solution = 100 ml  Concentration of CuSO4…

Q: You have 350.0mL of 0.200M aqueous KCIO4. Which of the following statements are true? For every…

A: Given, volume of the solution= 350mL Molarity= 0.200M Solution is made up of aqueous KClO4 Molarity…

Q: 4- Describe the preparation of 200 mL of 3 F H2SO4 from the concentrated solution which is 95% (w/w)…

A: Given , Concentrated 95%(w/w) H2SO4 solution  It means , 95 grams of H2SO4 is present in 100 grams…

Q: How many mL of 0.631 M HBr are needed to dissolve 7.78 g of MgCO3?

A: The solubility of MgCO3 in HBr is represented by the following balanced reaction:…

Q: What volume (V) of o.20 M HNO, is needed to neutralize 150 mL of o.6 M NaOH?

A: The ratio of number of moles to the volume of solution in liters is called as molarity. Molarity…

Q: What is the percent (m/v) of a 200 mL saturated solution of ammonia chloride (NH4Cl) at 70oC?

A: The concentration of a substance can be measured in terms of mass by volume percentage. This…

Q: What are the respective concentrations (M) of Cu2+ and Br– afforded by dissolving 0.150 mol CuBr2 in…

A: Formula used : Molarity = no. of moles/ volume of solution(L)  In aqueous solution  CuBr2(aq) ——>…

Q: prepare 2N solution in 250 ml volumetric flask from 5N of hci stock solution.

A:

Q: What is the molar concentration (in mM) of your solution if you…

A: Here we have to determine molar concentration of NaOH solution if 33 gram of NaOH dissolved in 500ml…

Q: What volume of 0.300 M nitric acid solution is required to completely neutralize 72.5g barium…

A: Given, Molarity of nitric acid = 0.3 M Mass of barium hydroxide = 72.5 gram Volume of water Reaction…

Q: How many mL of 0.715 M HCl are needed to dissolve 7.44 g of MgCO3?

A: The reaction of HCl and MgCO3 is given by equation 1.Given that the mass of magnesium…

Q: What pressure is required to achieve a CO2 concentration of 9.50×10-2 M at 20° C?

A: The solubility of any gas in liquid is given by the Henry's law as, => S = K P  where S =…

Q: 0.5M KOH solution is needed in the qualitative identification of anthraquinone glycosides in plants.…

A: A numerical problem based on mole concept that is to be accomplished.

Q: What is the solubility of NH3 if its partial pressure is reduced to 30,000 Pa?

A: According to Henry’s law, the solubility of a gas is expressed as S = KP where S is the solubility,…

Q: What is the mass concentration (in g L–1 to two decimal places) of copper(II) hydroxide in a…

A:

Q: How many mL of 0.605 M HCl are needed to dissolve 8.11 g of MgCO3? 2HC(aq) + MGCO3(s)→ MgCl(aq) +…

A:

Q: What is the % (m/v) concentration of an ammonium chloride (NH4Cl) solution that was prepared by…

A: The concentration value is also indicated in mass/volume percent. This is actually a percent value…

Q: 6. A75ml of H2SO, solution requires 27ml of 0.2M Al(OH), to reach endpoint. Calculate the molar…

A: 6. Given information,          3 H2SO4 + 2 Al(OH)3  → Al2(SO4)3 + 6H2O 75 ml of H2SO4 solution…

Q: 3. What is the minimum volume of ammonium sulfide with a concentration of 0.001 mol/L should be…

A: The balanced chemical equation of Manganese chloride reacting with ammonium sulfide is shown below,…

Q: How many milliteters CmL) of 1.0M Na OH woruld be needed to neutralize and precipitate 20.0L oh…

A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction. So,…

Q: Q/ What is the volume of 0.2 mol / L of NaOH that it required to dilute it to 0.05 mol /L in 100 ml…

A: The volume of 0.2 mol / L of NaOH required to prepare 100 mL of 0.05 mol / L solution can be…

Q: Describe how you would prepare a 800 mL of a 0.57 M Pb2+from solid Pb3(PO4)2

A:

Q: How many grans and how many mL of 40.0 wt-% urea solution (density 1.111 g/mL) are required to react…

A: The grams and mL of urea solution required can be calculated as follows:

Q: It is desired to prepare 600 mL of 0.250 normal Ca(OH)2 for use in the reaction: 2 HCl + Ca(OH)2…

A: The question is based on the concept of solutions. we have to prepare calcium hydroxide solution of…

Q: You prepare a solution by mixing 180.0 mL of 1.5 M KCl with 75.0 mL of 2.8 M CaCl2. What is the…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: 1. What mass of solid Lanthanum (III) oxalate nonahydrate {La2 ( C204 )3 · 9 H2O } can be obtained…

A: A part of chemistry that defines the relation between the amount of reactant and products is named…

Q: A 0.709 g sample of H2C2O4·2H2O is dissolved in water and titrated to a phenolphthalein endpoint…

A: H2C2O4 is a diprotic acid. 1st equivalence point occurs at pH 2-3 and the 2nd equivalence point…

Q: What mass of NH4C1 can be dissolved in 195g of H2O at 70° C?

A:

Q: In an aqueous solution at 25°C, if [H,O*] = 6.9 × 10“ M, then [OH] is:

A: Given: The concentration of hydronium ion, [H3O+]=6.9 x 10-4 M The concentration of hydroxide ion,…