A sports drink was prepared by adding equal moles of NaCl and Sucrose (non-ionic compound) to...
A sports drink was prepared by adding equal moles of NaCl and Sucrose (non-ionic compound) to form 0.5 liters of solution. If the sports drink contains 225 mg of sodium what is the osmotic pressure of the solution at 25 degrees celsius?
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A sports drink was prepared by adding equal moles of NaCl and
Sucrose (non-ionic compound) to...
A solution is prepared by dissolving sucrose, C12H22O11, in water at 25 degrees Celsius. The mol...
A solution is prepared by dissolving sucrose, C12H22O11, in water at 25 degrees Celsius. The mol fraction of water is ‘9958. What is the vapor pressure of the solution if the vapor pressure of water at 25 degrees celsius is 23.76 mmHg.
A 150.0 ml of sample of an aqueous solution at 25 degrees celcius contains 15.2 mg of unknown electrolyte compound. If...
A 150.0 ml of sample of an aqueous solution at 25 degrees celcius contains 15.2 mg of unknown electrolyte compound. If the solution has an osmotic pressure of 8.44 torr, what is the molar mass of the unkown compound?\
A solution contains equal concentrations of Ba2+, Ca", Mg?", and Zn". If we begin adding 0.1...
A solution contains equal concentrations of Ba2+, Ca", Mg?", and Zn". If we begin adding 0.1 M sodium oxalate (Na2C_04) to this solution dropwise, which ion will begin precipitating first? Compound Ksp BaC204 1.6 x 10 CaC204 2.32 x 10 MgC20 4.83 x 10 ZnC2042.7 x 108 Determine the pH required for the onset of the precipitation of Ni(OH)2 from a 0.010-M NISO.(ag) solution at 25° C. At 25°C, K for Ni(OH)2 is 6.5 x 10-18
5. A basic buffer solution can be prepared by using a A) solution of sodium hydroxide....
5. A basic buffer solution can be prepared by using a A) solution of sodium hydroxide. B) solution of ammonia and ammonium chloride C) a mixtureof of sodium hydroxide and hydrochloric acid D) a mixture of acetic acid and sodium acetate. 6. Which is a diprotic acid? A) Hydrochloric acid, HCl B) Sulfuric acid, H2SO4 C ) Phosphoric acid, H3PO4 D) Acetic acid, 7. What is the formula of the compound formed between calcium ion and bicarbonate ion? A) CaSO4...
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L...
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L of solution: a. What is the molarity of the solution? b. How many moles of Nail are contained in 0.0100 L of the above solution? What volume (L) of this NaCl solution would contain 0.150 moles of NaCl? 2. 255 g of NHCl is dissolved in enough water to make 7500 ml of solution What is the molarity of the solution b. How many...
Could someone help me with these? General Chemistry - Worksheets Potentially Useful Information Sucrose molecular mass...
Could someone help me with these?
General Chemistry - Worksheets Potentially Useful Information Sucrose molecular mass 342.30 g/ mol Density of propylene glycol at 25 C 1.036 g/cm Density of water at 25 C 0.0070 g/m the boiling point elevation constant of water 0.52 "Cim K Key Questions Key Questions (Show your work on all questions.) 1. a. What is mollity of a solution made by dissolving 137.9 g of Sucrose in 414.19 of water? Answer b. What is molarity...
This is a practice quiz and I want to make sure I have the correct answers,...
This is a practice quiz and I want to make sure I have the
correct answers, please help! thank you!
In
the text I said it was a practice quiz
1. Liquid aluminum will crystalize with a face-centered cubic (fce) unit cell. Face-centered cubic unit cells contain 8 atoms per unit cell. Determine the density of solid aluminum if the radius of an aluminum atom is measured to be 143 pm. (Hint: Calculate the mass and volume to determine the...
Circle the correct answer in each of the following MCQ's 1. Complete ionization of ionic compound...
Circle the correct answer in each of the following MCQ's 1. Complete ionization of ionic compound in water gives a) Non-electrolyte b) acidic solution c) weak electrolyte d) strong electrolyte 2. The shape of the orbital is indicated by the quantum number a) m b) m c) d ) n 3. The statement: (The volume of a gas is directly proportional to the number of moles at constant pressure and temperature) is known as a) Avogadro's law b) Charles law...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid b. Oxalic acid c. CaCO3 d. KHP A solution that may contain NaOH, Na 2CO3, and NaHCO3, alone or in compatible combination was titrated with 0.1200 M HCl. The volume of the acid required to reach the phenolphthalein endpoint was 25.67 mL while 38.13 mL to reach the methyl red endpoint. What are the components of the mixture? a. Na2CO3 only b. NaOH only...
1. A 19.6 gram sample of KCl is used to make a 275. mL KCl solution....
1. A 19.6 gram sample of KCl is used to make a 275. mL KCl solution. What is the molarity of the KCl solution? 2. A chemist has a bottle containing 0.25 M CuCl2. How many milliliters of this solution should the chemist use to add 12.0 grams of CuCl2 to her reaction? 3. In a saturated solution of the ionic compound sodium sulfate, Na3PO4 all of the water molecules are involved in the hydration process. some solid Na3PO4 is...
A solution contains equal concentrations of Ba2+, Ca", Mg?", and Zn". If we begin adding 0.1 M sodium oxalate (Na2C_04) to this solution dropwise, which ion will begin precipitating first? Compound Ksp BaC204 1.6 x 10 CaC204 2.32 x 10 MgC20 4.83 x 10 ZnC2042.7 x 108 Determine the pH required for the onset of the precipitation of Ni(OH)2 from a 0.010-M NISO.(ag) solution at 25° C. At 25°C, K for Ni(OH)2 is 6.5 x 10-18
Solution Worksheet Name 1.12.5 g of NaCl is dissolved in enough water to make 0,683 L of solution: a. What is the molarity of the solution? b. How many moles of Nail are contained in 0.0100 L of the above solution? What volume (L) of this NaCl solution would contain 0.150 moles of NaCl? 2. 255 g of NHCl is dissolved in enough water to make 7500 ml of solution What is the molarity of the solution b. How many...
Could someone help me with these?
General Chemistry - Worksheets Potentially Useful Information Sucrose molecular mass 342.30 g/ mol Density of propylene glycol at 25 C 1.036 g/cm Density of water at 25 C 0.0070 g/m the boiling point elevation constant of water 0.52 "Cim K Key Questions Key Questions (Show your work on all questions.) 1. a. What is mollity of a solution made by dissolving 137.9 g of Sucrose in 414.19 of water? Answer b. What is molarity...
This is a practice quiz and I want to make sure I have the
correct answers, please help! thank you!
In
the text I said it was a practice quiz
1. Liquid aluminum will crystalize with a face-centered cubic (fce) unit cell. Face-centered cubic unit cells contain 8 atoms per unit cell. Determine the density of solid aluminum if the radius of an aluminum atom is measured to be 143 pm. (Hint: Calculate the mass and volume to determine the...
Circle the correct answer in each of the following MCQ's 1. Complete ionization of ionic compound in water gives a) Non-electrolyte b) acidic solution c) weak electrolyte d) strong electrolyte 2. The shape of the orbital is indicated by the quantum number a) m b) m c) d ) n 3. The statement: (The volume of a gas is directly proportional to the number of moles at constant pressure and temperature) is known as a) Avogadro's law b) Charles law...
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