A chemist must dilute 40.2mL of 1.26M aqueous sodium carbonate (Na2CO3) solution until the concentration falls to1.00M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters.

Q: "How many mL of a 0.215 M aqueous solution can be prepared from 38.1 g of urea, CO(NH2)2? Make sure…

A: Mass of urea = 38.1 g Molarity of aqueous solution = 0.215 M

Q: Commercial vinegar is a 5.00% by mass aqueous solution of ethanoic acid. What is the molarity of…

A: Given, percentage by mass of ethanoic acid = 5.00 %            density of vinegar = 1.00 g/mL We…

Q: In the lab, Stock bottles of concentrated solutions can be diluted to make solutions for use with a…

A: Given: Molarity of initial solution = 12 M Molarity of final solution = 3 M Volume of final solution…

Q: Describe how you would prepare 250 mL of a 0.10 M NaCl solution.

A: Introduction- Molarity (M) =moles of solute1L of solution Molar mass of NaCl is 58.44g/mol.

Q: Calculate the mass percent by volume of 140.6 g of glucose (C6H1206, MM = 180.2 g/mol) in 325 mL of…

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Q: Calculate the volume (mL) of 1.0M potassium carbonate (K2CO3) needed to prepare 5.0 g of the COBALT…

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Q: A solution was prepared by dissolving 1280 mg of K3FE(CN), in sufficient water to give 770 ml

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Q: 25 litres of a 1.0 M solution of bromine in dichloromethane. determine the volume of each liquid

A: Given: Concentration of bromine in solution = 1.0 M And volume of solution = 25 L.

Q: 7.45g C2H6O in 2.28 L of solution? Calculate the molarity, express in 3 significant figures

A: Given: Mass of C2H6O  = 7.45 g Volume of C2H6O solution = 2.28 L Molar mass of C2H6O = 46.07 g/mol

Q: Calculate the normality of 12.5 g of potassium permanganate (KMnO4) in 475 mL solution

A: The number, n = 5 for KMnO4 as it accepts 5 electrons to become Mn2+

Q: Percent Mass Mass of solute/Total Mass of Solution x 100 1. Calculate the percent by mass of 25…

A: Percent mass = ( mass of solute / mass of solution ) × 100

Q: What is the molarity of the solution made from dissolving 66.2 grams of magnesium chloride water…

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Q: Calculate the mass percent by volume of 341.6 g of glucose (C₆H₁₂O₆, MM = 180.2 g/mol) in 325 mL of…

A: We have to calculate the mass % by volume.

Q: Calculate the molarity of a solution prepared by diluting 73.72 mL of 0.461 M potassium chloride to…

A: For dilution of a solution, the relation that works well with the molarities and volumes of the…

Q: Calculate the mass percent by volume of 80.6 g of glucose (C₆H₁₂O₆, MM = 180.2 g/mol) in 325 mL of…

A: Given , molecule is glucose C6H12O6 Mass of glucose = 80.6 g Volume of solution = 325 mL

Q: A 12.5 mL portion of a base solution of an element from Group 2A is diluted to 500 mL, and the…

A: Initial volume of base solution (of elements group 2A ) = 12.5 ml  New Volume of base solution = 500…

Q: How many grams of sodium chloride (NaCl, 58.44 g/mol) are needed to make up 250. mL of a solution…

A: The molarity of a given solution is defined as the number of moles of the solute present in per…

Q: When acetic acid is poured on the solid, bubbles are formed. It looks frothy. Solid sodium…

A: The inferences given helps us to find the product formed during the given reaction.

Q: dilute 75.4 mL of 808.μMaqueous magnesium fluoride (MgF2) solution until the concentration falls to…

A: Given,Magnesium fluoride (MgF2) V1 = 75.4 mlMagnesium fluoride (MgF2) N1 = 808.μMN2 = 357. μMV2 = ?

Q: A chemist must dilute 46.2 mL of 121. µM aqueous mercury(II) iodide (HgI₂) solution until the…

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Q: Water and acetonitrile, CH3CN, are miscible (can be mixed in any proportions). However, when water…

A: (a) This phenomenon is called negative deviation from Raults law. here the attraction between pure…

Q: Calculate the volume of 0.250 M solution made by dissolving 5.56 g of solid magnesium chloride in…

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Q: Calculate the molarity of 121 grams of sucrose, C12H22011, in 2.10 liters of solution. M sucrose

A: Molarity (M) :  Number of moles of solute (n) present in 1 litre solution  M = n / V(in L)   M = n…

Q: 6 mL of a 1.5 % CuSO4 solution is diluted to 10 mL with pure water, what is the final concentration…

A: NOTE : 1) since density is not given, we have to assume % concentration as % (m/v). 2) Since it is…

Q: The density of water at 25 degree Celcius is at 0.9975 g/ml and the density of ethanol, C2H5OH, is…

A:

Q: A hydrochloric acid (HCl) solution is prepared by dissolving 1.97g of hydrogen chloride gas in…

A: Molarity = Number of moles of solute / Volume of solution (L). Number of moles = Given mass / Molar…

Q: what is the total volume of a 17.6% m/v sodium phosphate solution in mL would be needed to have a…

A:

Q: Calculate the mass of NaOH in 150 cm^3 of a 0.1M solution provided.

A: no of moles = mass/molar mass molarity= no of moles of solute/volume of solution in liter molarity…

Q: How many grams of calcium chlorate [Ca(CIO3)2] are there in 800mL of a 3.5M solution ?

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Q: How many grams of are present in the attached question

A: The given data contains, Volume = 320 ml Molarity =7.5×10-3M.

Q: A diluted NaCl solution is made by mixing 110.5 mL of 1.26 M NaCl with 201.3 mL of water.  What is…

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Q: How many milliliters of water should a chemist addif they want to prepare an 0.200 M aqueous…

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Q: Calculate the mass percent by volume of 333.6 g of glucose (C₆H₁₂O₆, MM = 180.2 g/mol) in 325 mL of…

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Q: In the case study “An aqueous apocalypse”, the concentration of ammonia in the white river sample…

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Q: calculate the molarity. 24.5 g of sulfuric acid, H2SO4, dissolved in 255 cm3 of water.

A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of…

Q: what is the mass % of isopropanol in a 2.53 M solution of isopropanol (MM=60.10 g/mol) in water? The…

A: The term mass percentage is a method to represent the concentration of the elements in a given…

Q: A:If 100 mL of a 0.15 M Mg(NO3)2(aq) solution has a density of 1.09 g/mL, which of the following…

A: Part A: From the given molarity value and volume of Mg(NO3)2 the moles of Mg(NO3)2  can be…

Q: Calculate the mass of KI in grams required to prepare 5.00 x 104 mL of a 3.0 M solution.

A: Given,Mass of KI = ?Volume of KI = 5.00 *102mLMolarity of KI = 3.0M

Q: An aqueous solution of hydrochloric acid, HCl has a concentration of 7.21 M and a density of…

A: The ratio of mass of particular compound to the mass of solution multiply by 100 is known as percent…

Q: A chemist must dilute 73.3 mL of 108. pM aqueous silver(II) oxide (AgO) solution until the…

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Q: Calculate the concentration, as mass-volume percent cesium chloride (CsCl), for a solution prepared…

A: mass-volume percent (w/v)%:- The mass of solute in grams present in 100 mL of solution is defined as…

Q: What is the concentration of a solution made by diluting 65 mL65 mL of 6.0 M HCl6.0 M HCl to a final…

A: Given information: Volume of HCl (V1) =  65 mL Concentration of HCl (C1) = 6.0 M New volume of HCl…

Q: Calculate the mass percent by volume of 130.6 g of glucose (C₆H₁₂O₆, MM = 180.2 g/mol) in 325 mL of…

A: Mass of glucose = 130.6 gVolume of solution = 25 mlMas/Volume Percentage = Mass of solute…

Q: A student makes a standard solution of sulfuric acid by taking 10.00 mL of a super-concentrated…

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Q: A solution continuing 12.0 mmol CaCl2 .2H2O is diluted to 1L Calculate the number of grams of CaCl2…

A: No of moles of CaCl2.2H2O = 12.0 m mole = 12.0 * 10-3 molesMolar Mass of  CaCl2.2H2O =147…

Q: 2. Calculate the mass (in g) of KI required to prepare 500. mL of a 2.80 M solution.

A: The molarity is the concentration term which is defined as the number of moles of solute dissolved…

Q: Jisoo was asked to prepare a 50.0ml solution containing 5.00g of CuCl₂ for the class. However, she…

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Q: Calculate the volume of 0.250 M solution made by dissolving 5.56g of solid magnesium chloride in…

A: Molarity   is the number of moles of solute dissolved in per litre of the solution.  Solution is…

Q: One of the most utilized IV (intravenous) fluids administered in medical settings is called D5W,…

A: Given that : Volume of D5W = 250 mL %m/V = 5%

Q: Caculate the volume (mL) of 1.0 M potassium carbonate (K₂CO₃) needed to prepare 5.0g of the COPPER…

A: Given that -  Molarity of potassium carbonate, K₂CO₃ = 1.0 M  Mass of COPPER pigment = 5.0 g    When…