Water is a colourless, tasteless substance - Junior Cycle Science - Question 5 - 2022
Question 5
Water is a colourless, tasteless substance. Water contains hydrogen and oxygen chemically combined.
(a) The picture on the right shows a model of a water molecule. ... show full transcript
Worked Solution & Example Answer:Water is a colourless, tasteless substance - Junior Cycle Science - Question 5 - 2022
Step 1
Does the red sphere in the model represent hydrogen or oxygen?
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Answer
The red sphere in the model represents oxygen (O). In water (H₂O), the red atom typically symbolizes the oxygen atom, while the smaller blue spheres represent the hydrogen atoms.
Step 2
Which one of the properties listed below is the same for the water in each beaker?
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Answer
The property that is the same for the water in each beaker is Density. At a given temperature, pure water has a constant density regardless of the amount present.
Step 3
Calculate the solubility of the compound in g/cm³.
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Answer
To calculate the solubility of the compound, use the formula:
ext{Solubility} = rac{ ext{Mass of solute}}{ ext{Volume of solvent}}
