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What is the molality of a solution containing 0.75 moles of sodium hydroxide in 500 mL of water at 25°C? The density of water at 25°C is 1 g/mL. (Hint: d=m/v)
What is the molality of a solution containing 12.5 g ammonia and 500 g water? Select the correct answer below: O 0.82 m O 1.22 m 1.47 m 2.04 m cral FEEDBACK MORE IN lege rces
What is the molality of 318 g sodium hydroxide, NaOH, dissolved in 3187 mL solution?
what is the molarity of a 45.0 mL solution containing 6.00 g of sodium hydroxide?
Preparation of Sodium Hydroxide Titrant: Prepare 500 mL of a 0.1 M sodium hydroxide solution by dilution of a 1 M sodium hydroxide stock reagent or from solid NaOH. This dilution need only be performed to 5% accuracy, that is, using a graduated cylinder and an Erlenmeyer flask. Store the diluted solution in a polyethylene bottle. Standardize the diluted solution against dry, solid KHP (potassium hydrogen phthalate) using phenolphthalein as an indicator and label the bottle with the concentration of...
"Prepare 500 mL of a 0.1 M sodium hydroxide solution by dilution of a 1 M sodium hydroxide stock reagent or from solid NaOH. This dilution need only be performed to 5% accuracy, that is, using a graduated cylinder and an Erlenmeyer flask." 1. Explain why it is not necessary and even not desirable to perform the preparation of 1 M sodium hydroxide operation with higher accuracy. "Add the analyte to the beaker and fill with distilled deionized water to...
t 25°C, 1.71 grams of sodium hydroxide is dissolved in enough water to make 500. mL of solution. Calculate [H_3O^+].
Calculate the molality of a 2.50 M NaCl solution (density of the solution = 1.08 g/mL)
An aqueous solution is 0.467 M in HCl. What is the molality of the solution if the density is 1.23 g/mL? Show work please. Answers are a) 0.374 m b) 0.115 m c) 0.268 m d) 0.574 m
Determine the molality at 25°C of an aqueous solution that is 28 percent sodium chloride (M = 58.443 g/mol) by mass.
The density of a 0.84 M aqueous sugar (C12H22O11) solution is 1.12 g/mL at 25°C. What is the molal concentration? The molar mass of C12H22O11 = 342.3 g/mol.