What is the concentration in molal (m) when 2.65 g NAOH (MM = 40.02) was dissolved in 4.5kg H2O? 24m 23.6m 0.0147m 0.015m

Q: 4) Consider a solution of 1.4 m of HN3 (molar mass=63.0 g/mol) its density=1.15 g/ml. Calculate the…

A: Given: The molality of the solution (m)= 1.4 The molar mass of the solute= 63.0 g/mol The density of…

Q: D. If the treatment used HNO3 (p = 1.51 g/mL) as the solvent during dissolution, and the density of…

A: Molality is defined as the number of moles of solute dissolve in 1 kg of solvent .  For molality…

Q: The freezing point of p-dichlorobenzene is 53.1 °C; its kf value is 7.10 °C/m.  A solution of 1.52 g…

A:

Q: what is the osmotic pressure of solute ( carbonic acid ) in mm Hg at 30°C (R=62.36 L-mm Hg/mol-K) in…

A: Osmotic pressure = CRT  C is concentration  R is gas constant  T is temperature

Q: The freezing point of a pure solvent was 7.39 ºC .  A solution of 5.00 g of an unknown…

A:

Q: When 0.279 g of a molecular compound, benzoic acid, was dissolved in 43.0 g of benzene, the freezing…

A: Depression in freezing point :-  When a nonvolatile solute is added to pure solvent then its…

Q: What is the molarity of 10.0 mL of 75% v/v ethanol

A: We have to find Molarity if 10 mL  of 75% v/v ethanol.  This means that in a 10ml solution, 7.5mL…

Q: A saline solution is 0.9%m/v at 25oC. The ρsolution = 1.045g/ml.  Find: (a) freezing point of the…

A: Answer: 0.9% (m/v) saline solution suggests that in 100mL solution 0.9g NaCl is present.

Q: What is the m/v % concentration of a solution of LiCl by dissolving 2.5 g LiCl with a density of…

A:

Q: Calculate the osmotic pressure of 0.40 M KNO3 (electrolyte) at 25 °C

A:

Q: Calculate the mass of CuSO4·5H2O required for preparation of 100 mL of 0.010 M Cu2+ solution

A: Volume of Cu2+ solution to be prepared = 100 mL Concentration of the Cu2+ solution to be prepared =…

Q: The osmotic pressure of blood at the normal body temperature of 37oC is 7.65 atm. What molar…

A: Given data: Osmotic pressure = 7.65atm Gas constant = 0.0821 L.atm/k.mol Temperature = 370C

Q: A 26.2-mL aqueous solution contains 0.065 moles of strong electrolyte that completely dissociates…

A:

Q: Which solution is the most concentrated? O 0.3 mole of solute dissolved in 200mL of solvent O 0.4…

A: In order to find out the most concentrated solution, the concentrations of the solutions should be…

Q: What is the concentration in %(v/v) of 175 mL of isopropyl alcohol (C3H8O) that is diluted with…

A: Given:Volume of isopropyl alcohol = 175 mlVol of solution on dilution = 275ml

Q: )Calculate the concentration in % (m/v) of 100.0 g of NaNO3 dissolved in water for a final volume of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Which solution is the most concentrated? O 0.2 mole of solute dissolved in 300mL of solvent 0.3 mole…

A: Given here four different solutions and we are asked to identify the mostconcentrated solution among…

Q: Calculate the osmotic pressure associated with 50.0 g of an enzyme of molecular weight 98,000 g/mol…

A: The osmotic pressure can be calculated using the equation,π=nRTVπ=Osmotic pressuren=number of…

Q: When 0.357 g of an unknown compound was dissolved in 60.0 g of benzene (MM: 78.11g/mol), the…

A:

Q: What is the molarity of a solution made by dissolving 20.0g of H2PO4 in 50.0mL of solution? Show the…

A: Molarity is defined as number of moles of dilute dissolved per liter of solution.

Q: What is the mole fraction of solute in a solution that has 3.50g sucrose (MM=342) and 100.0g water…

A:

Q: 3. The freezing point of a solution that contains 1.00 g of an unknown compound is dissolved in 10.0…

A: Freezing point depression - It refers to the lowering of the freezing point of the solvent when a…

Q: The weight (in mg) of an 80.0%(w/) sodium phosphate dihydrate reagent needed to prepare 800.0 mL of…

A:

Q: The solubility of Ar in water at 25 °C is 1.6 · 108 M when the pressure of the Ar above the solution…

A: Given, Solubility of Ar at 25℃ in water = 1.6 x 10-3 M Pressure = 1 atm

Q: A 250.0 ml- aqueous solution contains 6.0 micromol of Na2SO4. What is the concentration in ppm for…

A: ppm is a conentration term used for determining the amount of solute in a given solution. The…

Q: How much NaCl would you dissolve and dilute to the 100.00 mL mark in a volumetric flask with DI H2O…

A: Given : Volume of solution = 1000.00 mL Concentration of NaCl = 1.350M  To calculate : Mass of NaCl…

Q: What is the molality of the solution when 328 g NaCl is dissolved in 3.50 kg water?

A: Molality is the amount of moles of solute found in one kilogram of solvent. This is in contrast to…

Q: What is the osmolality of 12.5% by weight solution of AlCl3 (MW=133 g/mole)?

A: Given.  Solution of AlCl3 Molecular weight of AlCl3 = 133 g/mole  (w/W) % = 12.5 %

Q: 12.58 grams potassium hydroxide dissolved in 100 mL ethanol. Give the molality and (%w/w).

A:

Q: Calculate the mole fraction of KI in a solution made by dissolving 3.4 g of KI in 5.8 g of water.…

A: We have to

Q: What is the solubility in g solute/100 g h20 if 11.372 g of a compound was dissolved in 8.36 g of…

A: Answer :-  136.03 (g)/100 (g) H2O  The solubility of compound when 11.372 g of a compound was…

Q: 15. What is the molality of a solution that contains 63.0 g HNO3 in 0.500 kg H₂O?

A:

Q: A solution was prepared by dissolving 12.0 g of glucose (180 g/mol) in 150. mL solution. What is the…

A:

Q: If 2.00 mol KI is dissolved in 1.00L of water, why will the solution not have a molarity of exactly…

A: Molarity is the no. Of moles of solute dissolved per litre of solution.

Q: What molarity of NaCl is needed to create a solution at 25°C with an osmotic pressure of 5.6 atm?…

A:

Q: 1. What is the molality of ions in a 0.511 m solution of Mg(NO₃)₂ assuming the compound dissociates…

A:

Q: What is the osmotic pressure (in torr) of a saturated solution of Ag₂CrO₄ at 25°C? The Ksp for…

A: Osmotic pressure is a colligative property which depends on number of moles of solute present in the…

Q: bons in ppim (by mass). 13.58 An automobile antifreeze mixture is made by mixing equal volumes of…

A: Given that:                   Density of EG =1.114 g/mol    Density of water =1.0 g/molDensity of…

Q: 0.5M KOH solution is needed in the qualitative identification of anthraquinone glycosides in plants.…

A: Concept is based on Molarity:

Q: 27. What is the molality of a solution of 50.1 g of propanol (CH,CH,CH,OH) in 152 mL water, if the…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: What is the molality of lithium ions in a 0.302 n compound dissociates c

A:

Q: The freezing point of pure water is 0°C and its molal freezing point depression constant (Kf) is…

A: Given: Molal freezing point depression constant (Kf) = 1.86°C/m Mass of sucrose = 53 g Molar mass of…

Q: Consider the solubilities of a particular solute at two different temperatures. Temperature ('C)…

A: Answer = 23.1 grams

Q: A typical soda contains the equivalent of approximately 10.0%(m/v) glucose. What is the…

A:

Q: 15.) Calculate the freezing point of a solution prepared by allowing 31.0 g of glucose (C6H12O6) to…

A: When some non-volatile solute is added to water, its freezing point is decreased. The depression in…

Q: The normal boiling point of diethyl ether (CH3CH2OCH,CH3) is 34.50 °C and its Kpp value is 2.02…

A: Given: mass of testosterone = 11.37 g molar mass of testosterone = 288.4 g/mol mass of diethyl ether…

Q: Which of the following aqueous solutions of Na2SO4 is hypertonic with respect to a 0.15 M NaCl…

A: Hypertonic solution: A solution having higher osmotic pressure than the other is called hypertonic…

Q: 27 What is the molality of a solution made by dissolving 12.9 grams of (NH 4) 2SO 4 in 465 grams of…

A:

Q: What is the molality of lithium ions in a 0.302 m solution of Li;PO, assuming the compound…

A: ⊙Molality =(No.of moles Mass of of solute)(Mass of solvent (kg) )⊙  No.of moles = (Given mass)(…

Q: What is the molarity of a 1500ml solution containing 0.315 moles of NaOH?

A: Given :-  No. of moles of NaOH = 0.315 mol  Volume of solution = 1500 mL  To find :-  Molarity of…