Sodium Hydroxide, NF Flashcards
Sodium hydroxide NF: Dissolve about _____ of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
1.5 g
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about ______ of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
40 mL
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add ______, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
phenolphthalein TS
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with ___. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
1 N Sulfuric acid VS
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the _____ color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
pink
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add _______, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
methyl orange TS
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a _____ is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
persistent pink
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to ____ of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to 106.0 mg of Na2CO3
40.0 mg
Sodium hydroxide NF: Dissolve about 1.5 g of Sodium hydroxide, accurately weighed, in about 40 mL of carbon dioxide-free water. Cool the solution to room temperature, add phenolphthalein TS, and titrate with 1 N Sulfuric acid VS. At the discharge of the pink color indicator, record the volume of acid solution required, add methyl orange TS, and continue the titration until a persistent pink is produced. Each of 1 N sulfuric acid is equivalent to 40.0 mg of total alkali, calculated as NaOH, and each mL of acid consumed in the titration with methyl orange is equivalent to _______ of Na2CO3
106.0 mg
Sodium hydroxide NF: Type of titration
Sodium hydroxide NF: Type of chemical reaction
Neutralization raction
Sodium hydroxide NF: Indicator/s
Sodium hydroxide
Sodium hydroxide NF: Endpoint
Chereographer
are used to sharpen up the color
change
Indicator
Sodium Hydroxide contains not less than 95.0 percent and not more than 100.5 percent of ______, calculated as NaOH, including not more than 3.0 percent of Na2CO3
total alkali
