You have 75 grams fo sodium nitrate, At what temperature will all of the solid dissolve in 100 cm3 of water?

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To determine the temperature at which all of the solid sodium nitrate will dissolve in water, we need to refer to the solubility curve of sodium nitrate.

The solubility of a substance is the maximum amount that can dissolve in a given amount of solvent at a specific temperature. It is usually expressed in terms of grams of solute per 100 grams of solvent (g/100g) or in terms of grams of solute per 100 milliliters of solvent (g/100mL).

First, let's find the solubility of sodium nitrate at various temperatures. I will assume you are considering the solubility in water.

1. Use reliable resources like textbooks, scientific databases, or chemical reference books to find the solubility curve for sodium nitrate. This curve will show the relationship between temperature and solubility.

2. Find the temperature on the solubility curve that corresponds to the solubility of 75 grams of sodium nitrate per 100 mL of water. This point on the curve represents the maximum solubility of sodium nitrate at that temperature.

3. Note the temperature associated with the given solubility. This will be the temperature at which all 75 grams of sodium nitrate will dissolve in 100 mL of water.

Remember that the solubility of a substance can vary with different solvents, so ensure you are using the correct solubility curve for sodium nitrate in water.

It is important to note that in this explanation, I am providing the general steps to find the temperature at which all the solid sodium nitrate will dissolve. However, without actual solubility data, I cannot give you the specific temperature. Please consult the appropriate scientific resources to find the accurate information.