Question

A solid, whose original weight was 8.492 grams, was dissolved in water. The

water solution was evaporated down to a small volume, then allowed to sit in a lab
drawer for a week. The resulting weight of the recovered solid was 9.045 grams.

a) Calculate the perfect recovery of the solid ._____
b) Give at least one reason why the percent recovery was greater than 100.0%

Answer 1

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Step-by-step explanation:

dfggffgdgdf

Answer 2

See below

Step-by-step explanation:

9.045/8.492 * 100% = 106.5%

There was other solids already dissolved in the water, or dust or other contaminants got into the water. ....or the measurement was incorrect. (like maybe the solid was still wet?)