Answer:

Explanation:
The formula for molality is:

There are 0.210 moles of KBr and 0.075 kilograms of pure water.

Substitute the values into the formula.

Divide.

The molality is <u>2.8 moles per kilogram</u>
Molarity=moles/liter
molarity=43/0.64
molarity=67.19moles/litre
Answer: The remains of plants and animals are called organic matter.
Explanation:
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