If you take a 45.0 mL portion of 1.85 M. NH3 stock solution and dilute it to a total volume of 1.85 L, what will the concentration of the final solution be?   a. 1 M     b. 1.85 M   c. 0.045 M   d. 45.0 M

Q: Concentration of DDT (molar mass= 354.49 g/mol) in groundwater sample is found to be 0.030 mg/250.0…

A: We have to predict the concentration in mmol/L.

Q: An aqueous solution of 6.70 M ammonia, NH3, has a density of 0.950 g/mL. The percent by mass of NH3…

A: The mass percentage of a component in a solution can be defined as follows: Mass % of a…

Q: Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider…

A:

Q: How many microliters of original sample are required to produce a final dilution of 102 in a total…

A: according to Dilution law initial = final  M1V1 = M2V2  final dilution = M2 / M1 =10-2  (given)…

Q: How many g of MgCl2  are dissolved in the solution?

A: Given :- volume of solution = 0.300 L  molarity of MgCl2 solution = 1.85 mol/L  To calculate :- Mass…

Q: A 12.00 mL sample of 6.15 M KNO3 is diluted to a volume of 125.0 mL. What is the concentration of…

A:

Q: In the laboratory you dilute 4.46 mL of a concentrated 6.00 M hydrochloric acid solution to a total…

A:

Q: 1. A blood serum sample is analyzed and found to contain 102.5 µg Ca²*/mL serum. The density of the…

A: 3) Given that: Molarity of Cr3+ = 0.125 M Molarity of MnO4- = 0.200 M Volume of MnO4- = 12.00 mL

Q: A student wanted to investigate the concentration of glucose in different energy drinks. The student…

A: In a solution or a mixture, the amount of the substance that is present in the mixture is quantified…

Q: he standardization of iodine solution was conducted using 10.0 mL of a standard 1.00 m ith the…

A: Given, Volume of acid  = 10.00 mL Density = 1.00 mg/mL Mass = V × d   = 10.00 × 1 = 10.0 mg MMoles…

Q: The magnesium content of a 100 ml sample of mineral water is analyzed. The Mg2+ in the sample…

A: PART-(a)•So finally according to question Mg+2 present as Mg2P2O7. •1 mole of Mg2P2O7  has 2 mole of…

Q: To dilute 250.0 mL of 1.00 M HCl to a concentration of 0.200 M, what must the final volume of the…

A: M1 x V1 = M2 x V2 Where, M1 = initial concentration;  V1 = initial volume             M2 = final…

Q: In the laboratory, a student dilutes 17.9 mL of a 8.42 M hydrochloric acid solution to a total…

A:

Q: A KNO3 solution is made using 92.4 g of KNO3 and diluting to a total solution volume of 1.80 L.…

A:

Q: f 20. g of AgNO3 is available, what volume of 0.40 M AgNO3   solution can be prepared? Volume =…

A: Molarity is the moles of solute per liter volume of solution. It is represented as M.

Q: Q3. What volume of 8 M sulfuric acid must be used to prepare 1.5 Lof a 0.10 M H,So, solution? A.…

A:

Q: 6. 100.0 mL of a silver nitrate solution is added to 98.75 g of a water sample. The density of this…

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: what the concentration of NaCl in the original solution?

A: Given :- mass of NaCl = 0.505 g              Initial volume of solution = 75.0 mL   To calculate :-…

Q: A 0.2377 g sample of sodium chloride, NaCl (58.44 g/mol) was dissolved in water and diluted to mark…

A: Given: Mass of sample = 0.2377g

Q: Consider this reaction: 2NaCl(aq) + Ag₂SO (aq) Na SO (aq) + 2AgCl(s) 4 A student is titrating a…

A: Molarity of sodium chloride solution = 0.500 M  Volume of sodium chloride solution = 25.0 mL = 25.0…

Q: During titration, an aqeous solution of HCI has a concentration of 0.1396 mol dm. If 24.71 cm (24.71…

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

Q: This question requires a numerical answer. Do NOT include units with your answer. Give your result…

A: Final concentration of chloride can be calculated from the total moles of chloride present in…

Q: What minimum mass of iron (II) nitrate must be added to 10.0ml of a 0.0699 M phosphate solution in…

A: The question is based on the concept of Reaction Stoichiometry.   limiting reagent is the reagent…

Q: 1. A blood serum sample is analyzed and found to contain 102.5 µg Ca*/mL serum. The density of the…

A: 1. Here we will calculate concentration of Ca2+ with different unit. The density of the serum is…

Q: A solution is made when 233.1 g of NaCl is dissolved in enough water to form 936 mL of solution.…

A: Given Mass of NaCl is 233.1 g Volume of solution is 936 mL Density of solution is 1.06g/mL Using…

Q: A 1.00 g sample of soil containing MgCl2 (95.3 g/mol) was dissolved in 50 ml distilled water. This…

A: Given that-mass of sample=1.00 g soilwhich contrain=P1g Cl295.3 g/molvolume of water=50 mLAgCl…

Q: A student performed an experiment on the determination of dissolved oxygen in a water sample using…

A: A question based on general chemistry that is to be accomplished.

Q: D 2.3 x 10 mol/dm 3 25.0 cm of 0.100 mol/dm³ aqueous sodium hydroxide is neutralised by 24.6 cm° of…

A: 1 dm3 = 1000 cm3.   25.0 cm3 0.100 mol/dm3 NaOH solution contains (25/1000)×0.100 = 0.0025 mol NaOH.…

Q: 16.0 g of a lead containg sample was dissolved water and an excess of sodium sulfate was added to…

A: Q.1: The Pb2+(aq) cation present in the sample reacts with sulfate ion, SO42-(aq) to form PbSO4(s)…

Q: How many grams of aluminum hydroxide will be formed from 55.0 mL of a 1.50 M potassium hydroxide…

A: Answer: This question is based on stoichiometric calculation where moles of KOH will be converted…

Q: What volume of a 0.43 M ZnCl2 solution contains 2.52 g of ZnCl2? Mw ZnCl2 = 136.29 g/mol. %3D OA…

A: We know that Molarity = number of moles of solute / volume of the solution in L Number of moles =…

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCI( aq) ZnCl2( aq) +…

A: From the above data,  mass of Zn = 3.75 g Concentration of HCl = 1.30 M The volume of HCl = 500 ml =…

Q: What volume of a 50.0% by mass solution of NaOH, which has a density of 1.515 g/mL, must be added to…

A:

Q: The mass of lead hydroxide

A:

Q: solution

A:

Q: Consider the balanced equation of  KIKI reacting with Pb(NO3)2Pb(NO3)2 to form a precipitate.…

A:

Q: (a) You have a stock solution of 14.8 M NH3. How many millilitersof this solution should you dilute…

A: Given data for part (a) stock solution Molarity (M1) =14.8 M  Final solution Molarity (M2) = 0.250 M…

Q: What volume of a 1.50 M HCl solution should you use to prepare 2.00 L of a 0.100 M HCl solution?a)…

A: The given data contains, Molarity M1=1.50 MVolume V2=2.00 LMolarity M2=0.100 M

Q: What types of substances are most likely to be soluble in water?

A: All the polar substances are most likely to be soluble in water.

Q: Suppose that 2.89 L of 6.75 M potassium carbonate is added to 1.38 L of 1.57 M magnesium nitrate.…

A: In this question, potassium carbonate is added to magnesium nitrate, after reaction , total…

Q: A solution is made by combining 4.00 g of sugar and 100 mL of water (density of water = 1.00 g/mL).…

A: %w/w = mass of solute/mass of solution*100

Q: Solubility is the concentration of a saturated solution at a specific a) amount b) pressure c)…

A: The answer to the following question is-

Q: Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Mg(NO3)2…

A:

Q: 24.71 cm (24.71 m) of this solution is delivered from a buret, what amount of HCI has been…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of solution in…

Q: An unknown mass of Na3PO4(s) is dissolved in water to form 50.00 mL of solution. This is Solution A.…

A:

Q: During titration, an aqeous solution of HCI has a concentration of 0.1396 mol dm. I 24.71 cm (24.71…

A: Given - Concentration of Hydrochloric acid, HCl is = 0.1396 mol dm-3  And volume transferred of HCl…

Q: You have a 2.00 M solution of sucrose and need to use it to make 1.0 L of a 0.500 M solution of…

A: Given conditions areOriginal Molarity of the sucrose solution= 2.0MNew molarity of the sucrose…

Q: A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate (a) the molar…

A: Given: 12.5% (w/w) NiCl2 ⇒12.5 g NiCl2 present in 100 g of solutionGiven: Density ofsolution = 1.149…

Q: An aqueous solution of 2.54 M silver nitrate, AgNO3, has a density of 1.35 g/mL.The percent by mass…

A: The percent by mass of AgNO3 in the solution is calculated in step two.

Q: A 1.05 M of 225 mL solution is diluted to a new volume of 341 mL. What is the new concentration?

A: Given, Initial Molarity = 1.05 M  Initial volume = 225 mL  Final volume = 341 mL Final Molarity = ?