What is the molar mass of unknown Q whose mass is 23.08g and .0389moles Hint Molar Mass = g/mol %3D

Q: the volume of 5.00 M KBr needed to have 1.00 mol KBr

A: Given data,   Molarity of KBr = 5.00 M = 5.00 mol/L Number of moles of KBr = 1.00 mol

Q: ) the volume in m³, occupied by the water vapor, (b) the amount od (c) the number of ploculor

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Q: A solution was prepared by dissolving 0.403 g of potassium dichromate, K2Cr2O7 (MM=294.18 g/mol) in…

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Q: What are the units of KM? Os molar 1/s s/molar 1/molar molar/s 0 0 0 0 0 О

A: Michaelis-Menten equation: v=Vmax[S]KM+[S] Here, v- velocity of the reaction.v=Vmax[S]KM+[S]Vmax-…

Q: The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7 to 500. mL is…

A: Here given values are, N1= 5.005M V1= 43.73 mL N2= ? V2= 500mL

Q: A solution is prepared by dissolving 52.7 g cesium chloride in 60.0 g water. The volume of the…

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Q: Calculate the molal formed by adding 2.701 g of methanol (CH3OH) to 100.00 mL of water. The density…

A: Number of moles off methanol = 2.701g / 32.04 g/mol = 0.084mole mass of water = density * volume…

Q: The molarity (M) of an aqueous solution containing 6.28 g of sucrose (C12H22O11) in 480 mL of…

A: Molarity can be defined as the number of moles of solute present in one liter of solution.  In other…

Q: A solution of sucralose (molar mass=397.6 g/mol) was made by dissolving 23.20 g of sucralose into…

A: Moles of sucralose = given mass/Molar mass. And Molarity= moles of solution / volume in litres.

Q: Explain the difference between “true” molar mass and “equivalent” molar mass.

A: True molar mass:Mass of one mole of a substance is known as its true molar mass. The unit for true…

Q: Example: how many milliliters of concentrated H2SO4 have 94%, density 1.831 g/cms are required to…

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Q: When a solution is made by dissolving 50.9 g of benzene, C6H6, in 91.6 g of cyclohexane, C6H12, the…

A: Solution is made by dissolving solute (present in small amount) in to the solvent. The (w/w)…

Q: How is a 1% CuSO4 solution prepared by mass based on CuSO4.5H2O solid?

A: Given: 1% CuSO4 solution

Q: When the amount of solute atoms, ions or molecules are expressed as moles per liter(or dm3) of…

A: We have to predict correct name for given defination.

Q: Define the term Solution Stoichiometry?

A: The term solution stoichiometry has to be defined.

Q: 3. Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/mL. What…

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Q: Q7\ How to prepare 20 ML)of 0.1 N g/ml & percentage 97%m.wt of H2SO4 98% of H2SO4, if the density…

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Q: Determine the volume (ml) required to dilute a solution containing 48.480g of K2SO, in order to…

A: Given, Volume of water required = ? Mass of K2SO4 = 48.480 g

Q: A solution is prepared by dissolving 102 g of NaCl in 924 g water to make a total solution volume of…

A: The following equation can give mass by Mass percent concentration of the solution. Mass…

Q: Calculate moles of barium chloride in 427g of 3.81% by mass. Barium chloride solution

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Q: If the mass of of Na2CO3 is 0.011501g in 5ml of water, what is the mass in 106ml?

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Q: How many grams of MgF2 are needed to prepare 250.5 mL of 0.934 molar aqueous MgF2? Put answer in box…

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Q: Solution where more solute can still be dissolved at the given temperature. Supersaturated…

A: Here in we discuss about the behaviour of the solution upon increasing the amount of solute getting…

Q: Calculate the molarity of 79.5 g of HCl in 2.00 L of an HCl solution. Express your answer with the…

A: Molarity =no of moles of solutevolume of solution in litres

Q: Explain the difference between a. mole and molar mass b. ppb and µg/L c. molarity and normality

A: The above quantities are the different forms of concentration and each pair has little difference…

Q: Calculate the molarity and the mass-volume percent solution obtained by dissolving 107.9g H3PO4 into…

A: Given: Mass of H3PO4 = 107.9 g The volume of the solution = 649 mL Standard data: The molar mass…

Q: Calculate the mass percent of a sucrose solution that is made by mixing 8.270 grams of sucrose into…

A: We have prepare a solution by mixing 8.270 g of sucrose into water until the solution has a mass of…

Q: concentration, if you have an available 2M stock solution of Palmitic acid? How many mL of the 2M…

A: Here solute is palmitic acid and solvent is benzene Amount of solute mp               = 112g Volume…

Q: Decomposition results in the increase in molarity of the products. O True O False

A: A particular compound decomposes and forms more no of atom . And the concentration of original…

Q: How many grams of solute are in 0.428 L of 0.450 M K2CO3 solution?

A: The number of grams of solute is in 0.428 L of 0.450 M K2CO3 solution is calculated as,

Q: present

A: Dear student I have given answer to your question in the image format.

Q: A student was asked to calculate the mass of NaCl (in g) needed to create 500 g of 10 % NaCl…

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Q: What mass of salt (NaCI) in grams (g) is required to prepare 2.552 L ofD51/¼NS solution? Give your…

A: Given that : The volume of D514NS solution = 2.552 L We have to calculate the mass of NaCl required…

Q: An solution of antifreeze is prepared by mixing 22.0 mL of ethylene glycol (density= 1.11 g/mol;…

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Q: A mixture is made by mixing equal volumes of corn syrup (d=1.4 g/mL, C6H14O7) and water (d=1.0 g/mL)…

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Q: Calculate the molarity of a solution prepared by diluting 100 cm3 of H3PO4 (d= 1.75 g/mL and 89 %…

A: Interpretation -  To determine the molarity of a solution prepared by diluting 100 cm3 of H3PO4 (d=…

Q: Wine is approximately 12% ethanol (CH3CH2OH) by volume. Ethanol has a molar mass of 46.06 g/mol and…

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Q: How many grams of MgF2 are needed to prepare 673.9 mL of 0.135 molar aqueous MgF2? Put answer in box…

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Q: Calculate the molarity of a solution prepared by diluting 343. mL of 0.337 M K2Cr207 with 660. mL of…

A: Given the volume of K2Cr2O7 solution =343 mLmolarity of K2Cr2O7 solution =0.337 Mthe solution was…

Q: Q No 13 Given dat hydrogen peroxide H₂O₂ is 30% by mas density = 111 g/cm³ Molarity = ?

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Q: The density of commercial concentrated HNO3 is 1.41 g/mL The concentrated acid contains 69% (w/w of…

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Q: How many grams of CaCl2CaCl2 are needed to make 623.4623.4 g of a solution that is 36.036.0% (m/m)…

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Q: A solution was prepared by dissolving 25g of fructose in sufficient quantity of water to make 100…

A: Given,  Mass of the solute, fructose = 25g  Mass of solvent, water = 100 g  a). What is the %W/W of…

Q: What is the percent by mass of 86.3 g of sodium chloride dissolved in 918.6 g of water ?

A: The mass percent of a component present in the mixture is calculated by dividing the mass of that…

Q: Calculate the mass percent of a sucrose solution that is made by mixing 5.270 grams of sucrose into…

A: We have to prepare a solution by mixing 5.270 g of sucrose into the water until the solution has a…

Q: Q7\ How to prepare 20 ML of 0.1 N of H2SO4, if the density 1.8 g/ml & percentage 97%m.wt of H2SO4…

A: 0.0561 mL of H2SO4 is required to mix with water to make the final volume of 20 mL for the…

Q: Calulate the mass percant of Naz 504 in a solution containing of Naz SO4 in wate, where in the water…

A: Given: Mass of Na2SO4 = 20 g  Volume of water = 1 ft3 To find: Mass percent of Na2SO4

Q: A sample of hydrated copper (II) sulphate weighs 124.8 g. The sample has been determined to  contain…

A: In order to find the molecules of water and the molecular formula we first write down the given…