Answer to Question #181238 in General Chemistry for Homo sapiens

Question

Pricedure:

1. Using the hot water (containing 100 mL) and different substances (coffee powder, powdered juice, powdered milk, starch) stir the mixture in each container/pot by 10 rounds.

2. Observe the solubility of each substances.

3. Record your observation

Guide Questions:

1. Observation about the solubility of water and each substances.

a. Water and coffee powder

b. Water and powdered juice

c. Water and powdered milk

d. Water and starch

2. Using your observation, having a unique property of being a good solvent to ionic substance, why is it that water is a good solvent for polar and ionic substances?

Answer 1

Water is a good solvent due to its polarity.

When an ionic or polar compound enters water, it is surrounded by water molecules. ... The dipole forces of water can disrupt the attractive forces that hold the sodium and chloride in the salt molecule together and, thus, dissolve it.