1 points When 385 g of NaOH dissolved in water to form 772 9 mL of...

Question

Question

Answer 1

Answer #1

mass = 38.5 g

molar mass = 40 g / mole

moles = mass / molar mass

= 38.5 / 40

= 0.9625

volume = 772.9 mL = 0.7729 L

molarity = moles / volume

= 0.9625 / 0.7729

= 1.245 M

molarity = 1.24

Add a comment

Answer 2

Similar Homework Help Questions

1 poin When 25.1 g of NaOH dissolved in water to form 539 ml of solution,...

1 poin When 25.1 g of NaOH dissolved in water to form 539 ml of solution, what is the molanty of the solution? Enter only the numeric value for your answer (no units).
When 38.5 g of NaOH dissolved in water to form 772.9 mL of solution, what is...

When 38.5 g of NaOH dissolved in water to form 772.9 mL of solution, what is the molarity of the solution? Enter only the numeric value for your answer
When 4.65 g of a nonelectrolyte solute is dissolved in water to make 385 mL of...

When 4.65 g of a nonelectrolyte solute is dissolved in water to make 385 mL of solution at 22 °C, the solution exerts an osmotic pressure of 923 torr. What is the molar concentration of the solution? How many moles of solute are in the solution? What is the molar mass of the solute?

35 g of NaOH are dissolved in water to make 3872 mL of a NaOH solution....

35 g of NaOH are dissolved in water to make 3872 mL of a NaOH solution. Use 40 for the molecular weight of NaOH. What is the concentration of the resulting NaOH solution? Submit Answer Tries 0/5
What is the molarity when 47 g of KCl dissolved in enough water to give 375...

What is the molarity when 47 g of KCl dissolved in enough water to give 375 ml of solution? Provide numeric answer (no letters or units) with correct number of sig figs. (for example: if your answer is 1.234 M, you must type it as 1.234E0.) Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimale.g. 2.SES for 2.5 x 10" Numeric Answer
51 g of NaOH are dissolved in water to make 4034 mL of a NaOH solution....

51 g of NaOH are dissolved in water to make 4034 mL of a NaOH solution. Use 40 for the molecular weight of NaOH. What is the concentration of the resulting NaOH solution?

1 2 points A 52.2 g sample of NaOH is dissolved in water and the solution...

1 2 points A 52.2 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 4.36 liters. Calculate the molarity of the solution. Use 40.0 as the molar mass for NaOH. Type your answer. Previous
2. When 2.0 g of NaOH were dissolved in 53.0 g water in a calorimeter at...

2. When 2.0 g of NaOH were dissolved in 53.0 g water in a calorimeter at 24.0°C, the temperature of the solution went up to 33.7°C. Why? Is this solution reaction exothermic? а. b. Calculate qH2o using Eq. 1 Find AH for the reaction as it occurred in the calorimeter (Eq. 5). с. Find AH for the solution of 1.00 g NaOH in water d. J/g Find AH for the solution of one mole NaOH in water. е. J/mol Given...
44 2 points A 443 g sample of NaOH is dissolved in water and the solution...

44 2 points A 443 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 2.01 liters. Calculate the molarity of the solution. Use 400 as the molar mass for NaOH Type your answer. Previous

Question 4 (1 point) 0.444 g of an unknown diprotic acid is dissolved in about 60 mL of water in a beaker. The solu...

Question 4 (1 point) 0.444 g of an unknown diprotic acid is dissolved in about 60 mL of water in a beaker. The solution is transferred to a 100.00 mL volumetric flask, which is then filled up to the mark. The solution is mixed by inverting multiple times. 25.00 mL of this solution is then transferred to an Erlenmeyer flask for the titration. What mass of the diprotic acid is in the 25.00 mL that is transferred? Provide your answer...