6. Chemical Quantities & Aqueous Reactions

Osmolarity

6. Chemical Quantities & Aqueous Reactions

Osmolarity

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Pharmacy Calculations Tutorials

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Osmolality Vs Osmolarity (with a mnemonic)

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Osmolality Vs Osmolarity (with a mnemonic)

Medicosis Perfectionalis

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Chemistry Basics: Osmolarity, Osmolality and Tonicity

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Chemistry Basics: Osmolarity, Osmolality and Tonicity

Calculating the Osmolarity of a Solution

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Multiple Choice

Which of the following solutions will have the highest concentration of bromide ions?

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Multiple Choice

How many milligrams of nitride ions are required to prepare 820 mL of 0.330 M Ba₃N₂ solution?

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Multiple Choice

How many bromide ions are present in 65.5 mL of 0.210 M GaBr₃solution?

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Textbook Question

What is the mass of chloride ions in 375.0 mL of solution with a magnesium chloride concentration of 0.250 M? (LO 4.2) (a) 3.32 g (b) 47.3 g (c) 23.6 g d) 6.65 g

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Textbook Question

Refer to the figure to answer questions 4 and 5. The images are a molecular representation of three different substances, AX3, AY3, and AZ3, dissolved in water. (Water molecules are omitted for clarity.) What are the molar concentrations of A ions and X ions in a 0.500 M solution of AX3? (LO 4.7) (a) 0.500 M A and 0.500 M X (b) 0.500 M A and 0.167 M X (c) 1.500 M A and 0.500 M X (d) 0.500 M A and 1.500 M X

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Textbook Question

An aqueous solution contains 1.2 mM of total ions. (b) If the solution is FeCl3(aq), what is the concentration of chloride ion?

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Textbook Question

An aqueous solution contains 1.2 mM of total ions. (a) If the solution is NaCl(aq), what is the concentration of chloride ion?

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Textbook Question

What is the molarity of NO₃^– in each solution? a. 0.150 M KNO₃ b. 0.150 M Ca(NO₃)₂ c. 0.150 M Al(NO₃)₃

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Textbook Question

what is the molarity of Cl- in each solution? b. 0.150 M SrCl2

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Textbook Question

what is the molarity of Cl- in each solution? c. 0.100 M AlCl3

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Textbook Question

What is the total molar concentration of ions in each of the following solutions, assuming complete dissociation? (b) A 0.355 M solution of AlCl3

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Textbook Question

What is the total molar concentration of ions in each of the following solutions, assuming complete dissociation? (a) A 0.750 M solution of K2CO3

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Textbook Question

What is the total molar concentration of ions in each of the following solutions? (b) A 0.225 M solution of HClO4

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Textbook Question

What is the total molar concentration of ions in each of the following solutions? (a) A 1.250 M solution of CH3OH

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Textbook Question

(b) Which will contain the greater number of moles of sodium ion: 20.0 mL of 0.15 M NaHCO3 or 15.0 mL of 0.04 M Na2S?

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Textbook Question

(a) Which will have the highest concentration of sodium ions: 0.25 M NaCl, 0.15 M Na2CO3, or 0.075 M Na3PO4?

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Textbook Question

Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 4.30 g of NaCl, 0.150 g of KCl, and 0.165 g of CaCl2 in water and diluting to a volume of 500.0 mL. What is the molarity of each of the component ions in the solution?

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Textbook Question

Ignoring protolysis reactions, indicate the concentration of each ion or molecule present in the following solutions: (b) 5 * 10-4 M CuCl2

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Textbook Question

What is the molarity of each ion in a solution prepared by dissolving 0.550 g of Na2SO4, 1.188 g of Na3PO4, and 0.223 g of Li2SO4 in water and diluting to a volume of 100.00 mL?

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Textbook Question

Ignoring protolysis reactions, indicate the concentration of each ion or molecule present in the following solutions: (d) a mixture of 35.0 mL of 0.010 M Na2CO3 and 50.0 mL of 0.200 M K2SO4. Assume the volumes are additive.

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Textbook Question

Calculate the concentration of each ion in the following solutions obtained by mixing: (c) 4.2g of CaCl2 in 150.0mL of 0.02 M KCl solution. Assume that the volumes are additive.

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Textbook Question

Calculate the concentration of each ion in the following solutions obtained by mixing: (b) 60.0 mL of 0.100 M ZnCl2 with 5.0 mL of 0.200 M Zn(NO3)2, Assume that the volumes are additive.

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Textbook Question

Calculate the concentration of each ion in the following solutions obtained by mixing: (a) 32.0 mL of 0.30 M KMnO4 with 15.0 mL of 0.60 M KMnO4 Assume that the volumes are additive.

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Textbook Question

Consider two solutions, the first being 50.0 mL of 1.00 M CuSO4 and the second 50.0 mL of 2.00 M KOH. When the two solutions are mixed in a constant-pressure calorimeter, a precipitate forms and the temperature of the mixture rises from 21.5 to 27.7 °C. (a) Before mixing, how many grams of Cu are present in the solution of CuSO4?

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Open Question

What is the concentration of K⁺ in 0.15 M of K₂S?

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Open Question

What is the concentration of K⁺ in 0.15 m of K₂S?

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Open Question

What is the molar concentration of sodium ions in a 0.350 m Na₃PO₄ solution?

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Open Question

What is the molarity of cl− in each solution?

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Open Question

Which of the following will have the highest concentration of potassium ion?

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Open Question

What is the molarity of no3− in each solution?

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Open Question

Which will have the highest concentration of potassium ion

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Open Question

What is the concentration of K⁺ in 0.15 M of K₂S?

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Open Question

How many grams of CaCl₂ (molar mass = 111g/mol) are needed to prepare 100. mL of 0.100 M Cl⁻(aq) ions?

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Open Question

How many ions are present in a 25mL solution of 30mm (NH₄)₂CO₃?

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Open Question

What is the concentration of k+ ions in a 0.025 M K₂CO₃ solution assuming complete dissociation?

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Open Question

What is the concentration of Cl^– ions in a 0.1 M solution of calcium chloride?

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6. Chemical Quantities & Aqueous Reactions

Osmolarity

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