f you weighed 0.9867 g of Zn pellets and prepared a standard solution in a 250.0 mL volumetric flask,  What is the concentration of this solution? The molecular weight of the zinc pellets is 65.39 g/mol.     0.01509 M 0.0604 M 0.06036 M 6.04e-5 M 0.003772 M 258.1 M 6.036e-5 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: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of…

A:

Q: A 15.0 mL 0.500 M NANO3 solution is mixed with 50.0 mL 0.200 M Fe(NO3)3 solution. What is the molar…

A: Given data A 15.0 mL 0.500 M NaNO3 solution is mixed with 50.0 mL 0.200 M Fe(NO3)2 solution. The…

Q: If you were asked to make a 100.0 mL solution with 36.15 g of potassium permanganate (KMnO4), what…

A: The given mass of KMnO4 = 36.15 g The desired volume of the solution = 100.0 ml   Given molar…

Q: The concentration of Mg2* in a sample of coastal seawater is 1.08 g/kg. What is the molar…

A: concentration of Mg2+ = 1.08 g / kg 1.08 g/Kg means 1.08 g of Mg2+ in 1 Kg ( = 1000 g) Molar mass of…

Q: A. A student weighs out a 10.1 g sample of NaBr,transfer it to a 500.mL volumetric flask,adds…

A: The molarity of a solution is calculated using formula:   Molarity=No.of moles of soluteVolume of…

Q: In a standardization, it was found that a 0.512 g sample of sodium carbonate required 26.30 mL of a…

A: The stoichiometry of the Chemical substances in the reaction can be used to find out the molarity of…

Q: What is the final concentration of a solution prepared by adding water to 50.0 mL of 1.5 M NaOH to…

A: Given,Molarity of NaOH (M1) = 1.5M.Volume (V1) = 50.0mL = 0.05L.Molarity of NaOH (M2) =?Volume (V2)…

Q: What is the molarity of a solution prepared by dissolving 0.178 moles of KI in enough water to make…

A: Given, n= 0.178 mol. Volume = 750 mL                = 0.75 mL.

Q: The final volume of the solution is 284 mL. What is the concentration of CUSO4 in the final…

A:

Q: If 28.8 mL of lead(II) nitrate solution reacts completely with excess sodium iodide solution to…

A:

Q: What is the molarity of a solution that contains 74.6 g of magnesium chlorate (Mg(ClO3)2) dissolved…

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

Q: What is the minimum mass of sodium hydroxide required to neutralize a solution that was prepared by…

A:

Q: In the laboratory you dissolve 21.7 g of copper(II) fluoride in a volumetric flask and add water to…

A: Given data contains, Mass of copper (ii) fluoride is 21.7g. Volume of solution is 500ml. The moles…

Q: A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds…

A:

Q: Milk of magnesia (magnesium hydroxide) reacts with stomach acid (hydrochloric acid).  Calculate the…

A: Correct : 0.583 M Given neutralisation reaction; Mg(OH)2 + 2HCl ⟷⟷ MgCl­2 + 2H2O Given volume of…

Q: The calcium in a 200.0 mL sample of natural water was determined by precipitating the cation as…

A: The mass of empty crucible is = 26.6002 g The mass of crucible and CaO is = 26.7134 g The mass of…

Q: What is the concentration of an HI solution if 0.3696 g of HI are dissolved in enough water to make…

A: Given Mass of HI = 0.3696 Volume of solution = 58.78 ml = 0.05878 L molar mass of HI = 127.904…

Q: 0.400 g of solid NaCl is added to 50 mL of a 0.100 M MgCl2 solution. Assuming the final volume does…

A: Given data, Mass of NaCl=0.400gMolarity of MgCl2=0.100MVolume of MgCl2=50mL=0.050L

Q: If 85.6 mL of a 6.75 M solution are diluted to 6.20 L with water, what is the concentration of the…

A: Given : Molarity = 6.75 M Volume = 85.6 ml Volume of water = 6.20L

Q: What is the molarity of a solution prepared by dissolving 26.2 g of KCI in enough water for a total…

A:

Q: What is the molarity of a solution that is prepared by dissolving 5.61 grams of KOH in enough water…

A:

Q: Mass of flask + sodium oxalate, g: 92.054 g                      Mass of empty flask, g: 91.807 g…

A: The ratio of moles to the volume of solution in liters is known as molarity.

Q: How many moles of Ca(OH) 2 are required to completely react with 300.0 mL HCI solution? (HCl content…

A:

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: A solution with a total volume of 1000.0 mL contains 37.1 g Mg(NO3)2. If you remove 20.0 mL of this…

A: Given : mass of magnesium nitrate = 37.1 g Volume of solution = 1000 mL

Q: A chemist starts with 25.0 mL of a 0.20 M NaCl solution and dilutes it to 500 mL. What is the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: How many g of Fe(NO3)3 are present in a 20.0 mL sample of a 0.500 M solution? A) 2.14 g B) 9.68 g C)…

A: Number of moles can be calculated from the given Molarity:

Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of…

A:

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

A:

Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds…

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of…

Q: What is the minimum mass of sodium hydroxide required to neutralize a solution that was prepared by…

A: The reaction between an acid and a base gives salt and water as the product. Such kind of reaction…

Q: What is the molarity of a solution containing 55.8 g of MgCl2 dissolved in 1.00 L of solution?a)…

A: What is the molarity of a solution containing 55.8 g of MgCl2 dissolved in 1.00 L of solution?

Q: What is the molarity of a solution formed by dissolving 47.7 g NaCl in enough water to yield 750.0…

A: Given mass of NaCl = 47.7 g Volume= 750 ml

Q: If you add 250 ml of water to 250 ml of a 1.8M NaOH solution, what will the molarity of the diluted…

A: According to law of dilution, the number of moles of solute remains constant in the solution. During…

Q: Calculate the molarity of the following solutions: (a) 0.31 mol of solute in 84.7 mL of solution…

A: * Molarity  = Moles / volume of solution in L  By using this we can calculate the Molarity of…

Q: In the laboratory you dissolve 23.7 g of ammonium bromide in a volumetric flask and add water to a…

A:

Q: student weighs out a 12.8 g sample of Ni(NO3)2, transfers it to a 300. mL volumetric flask, adds…

A: Molarity of a solution is defined as the number of moles of solute present in one liter of solvent.…

Q: Ammonia (NH3,NH3, MM 17.031 g/mol) and hypobromite (OBr−)OBr−) react according to the following…

A: The balanced reaction taking place is given as, => 2 NH3 + 3 OBr- -------> N2 + 3 Br- + 3 H2O…

Q: 1.55 x 1022

A: Molarity of NaCl (M) = 0.5 M Volume of NaCl = 50 mL =0.050 L Moles of NaCl = M × V(L)   = 0.50 ×…

Q: What is the molarity of a solution in which 23.1 g of sodium sulfate (Na2SO4) is dissolved in enough…

A:

Q: Calculate the molarity of each solution.a. 3.25 mol of LiCl in 2.78 L solutionb. 28.33 g C6H12O6 in…

A: Molarity =moles of soluteVolume of solution  (a) Molarity = 3.252.78 = 1.169 M = 1.17 M (b) Molarity…

Q: A 3.28% by mass solution of LiCl has a density of 1.06 g/mL. What is the molarity of this solution?…

A: The given data contains, mass percent  = 3.28% density = 1.06 g/ml

Q: Consider the following chemical reaction. 3 Zn(C₂H₃O₂)₂(aq) + 2 Na₃PO₄(aq) → 6 NaC₂H₃O₂(aq) +…

A:

Q: You need to make a stock solution ofMg(HCO3)2 with a concentration of 5.50 M. You have a 750.0 mL…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.…

Q: C6HBO6(aq) + l2(aq) → CsH6O6(aq) + H*(aq) + 2 l'(aq) Given the reaction shown, a 0.2989 g vitamin C…

A: The number of moles (n) of vitamin c is calculated as shown below where m is the given mass of…

Q: 47. Oxalic acid, H2C2O4, occurs as the potassium or calcium salt in many plants, including rhubarb…

A: Molality:Molality is defined as the number of moles of solute per  or one kilogram of solvent.…

Q: You are asked to make a stock solution of NaCl and dilute it to a 25 mL of 0.72 M and a 25 mL of…

A: We can make 100 mL of 1 M NaCl solution as stock solution. To make 100 mL of 1 M NaCl solution , the…

Q: What is the molarity of a solution that is 48.4% by mass phosphoric acid (H3PO4) and that has a…

A: Given, 48.4% by mass phosphoric acid Density =1.155 g/mL Molecular weight of phosphoric acid = 97.99…

Q: In the laboratory you dilute 3.85 mL of a concentrated 12.0 M perchloric acid solution to a total…

A: