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dalvyx [7]
3 years ago
5

4) list 3 protest rights you have that are protected under the law. How can you protect these rights? George Floyd’s ?

Chemistry
1 answer:
Pavel [41]3 years ago
7 0
Peaceful Protest, Signing Pettitons, contacting mayors/governors and writing emails/sending letters
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At 10C, 100g of H2O can dissolve only 78g of NaNO3
mamaluj [8]

Answer:

The given parameter for the solubility of NaNO₃ in H₂O are;

The maximum solubility of NaNO₃ in H₂O at 10°C = 78 g

1. If we have 50 g of NaNO₃ in 100 g of water at 10°C, the solution is;

Undersaturated

2. If we have exactly 78 g of NaNO₃ in 100 g of water at 10°C the solution is;

A saturated solution

3. If will add 80 g of NaNO₃ in 100 g of water at 10°C,

The excess NaNO₃ which cannot be dissolved will be observed as solids in the mixture

4) The quantity of NaNO₃ that can be dissolved in H₂O at 40°C = 94 g

If the solution containing 94 g of NaNO₃ at 40°C is cooled to 10C about 16 g of NaNO₃ will precipitate out of the solution and exist as solids in the mixture

Explanation:

1. An undersaturated is a solution that holds smaller amount of solute that it can hold at a given temperature

2. A saturated solution holds as much solute as it can dissolve at a given temperature

3. When more solutes are added to a saturated solution, the excess solution will remain in the solid form in the mixture

4) Cooling a saturated solution below the saturation temperature will result in the precipitation or crystallization of the excess solutes in the solution.

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