How many grams of NAOH should be used to prepare 1000mL of 10%(w/v) solution of NaOH

To prepare a 10% (w/v) solution of NaOH, you need to know that "w/v" stands for weight/volume, meaning the percentage refers to the mass of solute (NaOH) in grams per 100 mL of solution.

### Given:
- Desired concentration: 10% (w/v) NaOH solution
- Volume of solution: 1000 mL (which is equivalent to 1 L)

### Step 1: Calculate the mass of NaOH required
A 10% (w/v) solution means 10 grams of NaOH per 100 mL of solution.

For 1000 mL:
\[
\text{Mass of NaOH} = \frac{10\,\text{g}}{100\,\text{mL}} \times 1000\,\text{mL} = 100\,\text{g}
\]

### Final Answer:
You need **100 grams** of NaOH to prepare 1000 mL of a 10% (w/v) NaOH solution.

Would you like more details or have any questions?

Here are 5 related questions to consider:
1. How would the amount of NaOH change if you wanted to prepare only 500 mL of the solution?
2. What is the molarity of the 10% (w/v) NaOH solution?
3. How do you properly dissolve NaOH in water to prepare the solution?
4. What are the safety precautions when handling NaOH?
5. How would the calculation differ if preparing a 10% (w/w) solution instead of (w/v)?

**Tip:** When preparing solutions, always add the solid NaOH to water slowly and with stirring to prevent exothermic reactions that can cause splattering.

Learn how to calculate the amount of NaOH required to prepare a 10% (w/v) solution in 1000 mL of water. Understand the concept of weight/volume percentages and their application in chemistry. Suitable for high school students and chemistry enthusiasts.

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