Table of Contents
How do you make a 50% sodium hydroxide solution?
Stock solution, 50% (by weight): Add 100 mL of distilled water to 100 g of reagent grade sodium hydroxide (NaOH) pellets and stir until solution is complete.
What safety precautions must be observed when using 50% aqueous sodium hydroxide?
Eye/face protection: Wear safety glasses with side shields (or goggles) and a face shield. Other: Wear suitable protective clothing. Respiratory Protection: In case of inadequate ventilation use suitable respirator.
What is the pH of sodium hydroxide 50%?
> 12
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| Parameter | Range |
|---|---|
| pH (1% solution) | > 12 |
| Specific Gravity | 1.52 at 20°C |
| Crystallization Temp | 58°F |
What is the pH of 50 sodium hydroxide?
What is the molarity of 50% NaOH?
Magic Formulas for Aqueous Solutions (Basic)
| Aqueous Solution | Magic Formula for 1L of Solution | Concentration (moles/liter) |
|---|---|---|
| 50% NaOH | Saturated NaOH solution | 19.1 |
| 6 M NaOH | 240 g. NaOH pellets + 978 mL H 2O | 6.0 |
| 3 M NaOH | 120 g. NaOH pellets + 999 mL H 2O | 3.0 |
| 10% NaOH | 111 g. NaOH pellets + 1000 mL H 2O | 2.77 |
What can sodium hydroxide be used for?
Sodium hydroxide is used to produce soaps, rayon, paper, products that explode, dyes, and petroleum products. It can also be used in tasks such as processing cotton fabric, metal cleaning and processing, oxide coating, electroplating, and electrolytic extraction. It is often found in commercial drain and oven cleaners.