How many grams of potassium iodide will dissolve in 500 grams of water at 20 degrees C?

Solubility range of KI in 500 grams of water at 20 degrees C is 700-740gm

Explanation:

Using the solubility curve of the solubility of KI with the given temperature

we infer from the graph that at 20 degrees Celsius the solubility of KI is 140-148 grams per 100 grams of water.

so for 500 grams of water the solubility of KI will be

= 140*5= 700gm to 148*5= 740

Solubility range of KI in 500 grams of water at 20 degrees C is 700-740gm

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in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

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