9 g of ethyl alcohol is dissolved in 96 ml of water (density = 1.00 g/mL at 20 oC).  What is the % w/w for the ethyl alcohol in the resulting solution?

Q: itial Temperature of NaOH (°C) 25.8(°C) Initial Temperature of HCl (°C) 26.3(°C) Average Initial…

A: Here the reactants solutions are: HCl(aq) and NaOH(aq).  So we initially take two separate solutions…

Q: Which is the better solute solvent? :0: :0: :0: CH, — С — сн, Но — С — СН — СH, — С — оН OH CH,OH…

A: "Like Dissolves Like." Non polar molecules are soluble in non polar solvents whereas polar molecules…

Q: An 80 proof brandy is 40.0 % (v/v) ethyl alcohol. The "proof" is twice the percent concentration of…

A: Generally, when the solute (a substance that is added into the solvent and forms the solution) is…

Q: 20 g of Na2SO4 is dissolved in 60 g in water. What is the %w/w,

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Q: What are the sources of the ocean’s dissolved solids?

A: The dissolved solid concentration in water is the sum of all the inorganic and organic substances…

Q: Calculate the following concentrations for an aluminum hydroxide Al(OH)3 solution containing 150 g…

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: In order to prepare 50.0 mL of 0.150 M H2SO4 you will add ____ mL of 1.00 M H2SO4 to ____ mL of…

A: The volume of sulphuric acid is calculated as,

Q: Potassium nitrate has a lattice energy of – 163.8 kcal/mol and a heat of hydration of -155.5…

A: To solve the question, we need to convert the energy from kcal to kJ.  ∆Hlattice=-163.8 kcal1…

Q: B The density of comm ercial concentrated HNO3 is 1-41 a /mL. The concentrated acid contains 69%…

A: Molarity :-  The number of moles of solute dissolved in one litre of solution is defined as molarity…

Q: ased on table F, which compound is the least soluble in the water?

A: Alkane

Q: Calculate the heat of solution if 5.0 g of benzoic acid, C6H5COOH, is dissolved in 45.0 g of water…

A: Heat change of the reaction is measured as  q = m*c*∆T Where  m = mass of water (g) c = specific…

Q: What is the concentration of a solution made by dissolving 1.2 g of salt in 3.8 g of water?

A: The mass of solute present in a fixed mass of solution is known as concentrationof the…

Q: A 104-mg sample of Na2CO3 is dissolved in H2O to give 2.45 L of solution. What is the concentration…

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Q: 1. If 7.5 g. of NaNO3 is dissolved in 85 ml. of water, what is the % concentration of NaNO3 in the…

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Q: If 175 g of ethylene glycol (C2H6O2) is added per 1000 g of water to a car radiator, what will be…

A:

Q: 11) What is the concentration of HCl in the final solution when 65 mL of a 12 M HCl solution is…

A: 11) Given information, Initial volume (V1) = 0.065 LInitial concentration (M1) = 12 MFinal volume…

Q: How many grams is required in preparing 2N of NaOH in 1/3 Liters of solution. (mwt of NaOH is 40…

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Q: How much ethyl alcohol is in 500mL of a can of beer which is 6.7% ABV?

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Q: Calculate the molarity of 0.4g of NaOH dissolved in 100cm3 of water

A: The given data: The mass of NaOH = 0.4 g. The volume of water = 100 cm3 = 100 mL. To determine = The…

Q: Calculate the concentration in %(w/w) of the following solution. Assume water has a density of 1.00…

A: The formula required to calculate the concentration in % (w/w) is as follows, Here, solute is ethyl…

Q: 3. uloa alea Salui aleu ebwog en The lowest temperature in which 50 g NH4CI can be dissolved in 100…

A: If Temperature increases then solubility will  increses

Q: What is the molarity of an NaOH solution when 9.75 g of NaOH dissolves in 50 mL of H2O?

A:

Q: How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much mL…

A: Given,  Volume of the solution = 100 mL  Volume percent of acetone = 30% How much mL of Acetone is…

Q: Most hydroxides are not very soluble in water. For example, Ksp for nicker(II) hydroxide is 2.0 x…

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Q: What is the molarity of a solution in which 211g sodium hydrogen carbonate is dissolved in a 10L…

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Q: how many ml of water should be added to dilute 60.00 ml of 4.000 M kl to 1.500 M kl

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Q: How many moles of solute are present in 35. 0 mL of 0.30 M KNO3?

A: Hi, since you have posted multiple questions. We will answer the very first question for you. Kindly…

Q: 1. What is the molarity of a solution made by dissolving 12.5 g NaCl up to 1 L of H2O?

A: Moles of NaCl is calculated as,

Q: Ethylene glycol and water are used in antifreeze (engine coolant).  What is the minimum mass of…

A: Solution - According to the question - Given values are - We know that, depression of freezing point…

Q: Calculate the mass (in g) of NaCl needed to make 100.0 mL of a 1.54 M solution (to 3 sig figs).

A: Definition of Molarity- Molarity is the number of moles of solute dissolve in one litre of solution.…

Q: 3. Find the percent by mass in which 41.0g of NaCI is dissolved in 331g of water.

A: The mass % of the solution is equal to the ratio of the mass of the given substance to the total…

Q: A 0.512 g sample of CaCO3 is dissolved in 12 M HCl and the mixture is diluted to 250 mL. How many…

A:

Q: 2. a) 25mL of water is added to 125mL of 1 0.15mol/L NAOH solution, what is the concentration of the…

A: Given  (a)  Initial Concentration of NaOH solution ( M1 ) = 10.15 mol/ Liter              initial…

Q: Q3:- A. If 2.9 x 10³ g of Ca (OH) 2 is needed to saturate 250 mL of solution, what is the Ksp?…

A:

Q: 16. How much heat (in Joules) is required to raise the temperature of 50.0 g of brass from 20.0°C to…

A:

Q: Calculate the concentration in %(w/w) of the solution below. 424g of solute is dissolved in enough…

A: Given: The mass of solute = 424 g The volume of solution = 1.00 L The density of resulting solution…

Q: What is the molarity of a solution made by dissolving 6.08 g of sodium acetate, CH3COONa, in water,…

A: Molarity: The molarity depicts the concentration of the solution. It is expressed as follows,

Q: 100 90 NANO 80 70 Cac Pb(NO), 60 50 40 KCI NaCI 30 20 KCIO, 10 Ce,(SO,), 10 20 30 40 50 60 70 80 90…

A: Above question can be easily solved by looking this graph at 10 degree celcius.

Q: 1. How many ml of NaOH in preparing 50 g of it in 1N of solution (Na- 23, O -16, H-1)

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

Q: How many mL of water should be added to dilute 80.00 mL of 6.000 M KI to 2.400 M KI

A: Given details: Initial volume, V1=80mLInitial molarity, M1=6 MFinal molarity, M2=2.4 M We have to…

Q: MgSO4•7H2O Percent water in the hydrated salt

A:

Q: Calculate the following concentrations for an aluminum hydroxide Al(OH)3 solution containing 150 g…

A: E.) First we would Calculate wt % using formula : wt % = ( mass is solute / mass of solution ) × 100…

Q: How much KBr could dissolve in 50 g of H2O at 70ºC?       Which solute is LEAST soluble in water…

A: From the graph solubility of KBr at 70°C in 100g of water=90 g

Q: What volume of 5.0 M acetic acid is required to prepare 100 mL of 0.50 M acetic acid?

A:

Q: How much of a 15.0M hydrachlaric Ciciè CHCI) shoule be Gdced to water make 100 mL cf a 3.001M…

A:

Q: Barium hydroxide weighs 10 g having 171.34 g/mol, what is its van't hoff factor? what is its celcius…

A: Given:  Mass of Ba(OH)2 = 10 gm  Molar mass of Ba(OH)2 = 171.34 gm/mol  Volume of water = 500 ml

Q: hy is this so? Explain why does the carbon dioxide escape from soda when the cap is removed.

A: Explain why does the carbon dioxide escape from soda when the cap is removed.

Q: How many grams of sodium hydroxide (NaOH) are required to make 500.0 mL of a 16.4 % (m/v) sodium…

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Q: salt

A: According to the question, a solution is made by putting 100g of NaNO3 into 200 mL of water at 70°C…