A salt solution was made by dissolving 17.32 g of NaCl in 400.0 mL of water....

Question

Question

A salt solution was made by dissolving 17.32 g of NaCl in 400.0 mL of water.

Calculate the molality (NOT molarity) of this solution

Hint: Molality (m) = moles of solute / Kg of solvent

Use ¹¹Na₂₃ and ¹⁷Cl_35.5

Answer 1

Similar Homework Help Questions

A solution of salt water was made by dissolving 4.25 g of salts for every liter...

A solution of salt water was made by dissolving 4.25 g of salts for every liter of water. If the salt water solution consists of only NaCl, calculate the osmotic pressure of the salt water solution at 35°C. (Hint: NaCl is an electrolyte)
3. A salt solution is made by taking 0.80 moles of NaCl and adding water to...

3. A salt solution is made by taking 0.80 moles of NaCl and adding water to make 250.0 ml of solution. Calculate the molarity of the NaCl solution.
A salt solution is prepared by dissolving 2.634 (±0.002) g of NaCl in deionised water and...

A salt solution is prepared by dissolving 2.634 (±0.002) g of NaCl in deionised water and making it up in a volumetric flask whose volume is 100.00 (±0.08) mL. Express the molarity of the solution in mol dm–3 , along with its uncertainty, with an appropriate number of digits.

145.0 moles of CaCO3 is dissolved in 5.0 L of water, what is the concentration of...

145.0 moles of CaCO3 is dissolved in 5.0 L of water, what is the concentration of CaCo3? 20C940.6C12.8016 ASM OB 2.5M OC 1.5M 0,0.5M OE 1M QUESTION 29 A solution was made by dissolving 53.0 g of Na2CO3 in 500.0 mL of water. What is the molarity of this solution? (molarity - moles of solute/liters of solution) 1Na23, 6C12.8016 CA50M OR 2.0M OC 1.5M 0.0.5M OL 1.0M QUESTION 30 If 0.250 mol of NaOH is dissolved in 125.0 mL of...
A solution of NaCl (MW = 58.5 g/mol) in water (MW = 18.0 g/mol) has the...

A solution of NaCl (MW = 58.5 g/mol) in water (MW = 18.0 g/mol) has the molality of 3.01 molal and the density of 1.112 g/mL. Consider mass of solvent 1 Kg A) What is the mass percent of the solute? (B) What is the molarity of the solution? (C)What is the mole fraction of H2O?
Calculate the molarity of the two solutions. The first solution contains 0.550 mol of NaOH in...

Calculate the molarity of the two solutions. The first solution contains 0.550 mol of NaOH in 2.95 L of solution. molarity: The second solution contains 19.1 g of NaCl in 627 mL of solution. molarity: Calculate the molality of a solution formed by adding 7.00 g NH,Cl to 14.0 g of water. molality: m NH C1 What is the mole fraction of solute in a 3.69 m aqueous solution? Xsolute = 0.06 An aqueous sodium acetate, NaC,H,O, , solution is...

A 2.550×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving...

A 2.550×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.3 mL . The density of water at 20.0∘C is 0.9982 g/mL. A) Calculate the molality of the salt solution. B) Calculate the mole fraction of salt in this solution. C) Calculate the concentration of the...
A 115.3 g sodium chloride solution(density =1.05 g/mL) was prepared by dissolving 15.3 g of NaCl...

A 115.3 g sodium chloride solution(density =1.05 g/mL) was prepared by dissolving 15.3 g of NaCl in 100.0 mL of water (density = 1.00 g/mL.) calculate the % of M/M, % M/V, and molarity of this in NaCl solution
A solution of salt water was made by dissolving 4.25 g of salts for every liter...

A solution of salt water was made by dissolving 4.25 g of salts for every liter of water. If the salt water solution consists of only NaCi, calculate the osmotic pressure of the salt water solution at 35'C. (Hint: NaCI is an electrolyte)

Determine the molality of a solution made by dissolving 0.134 moles of glucose in 471 mL...

Determine the molality of a solution made by dissolving 0.134 moles of glucose in 471 mL of water. Assume the density of water is 1.00 g/mL. Determine the molality of a solution made by dissolving 28.1 g of CH3OH in 513 g of H20.