The addition of sugar in water and disappearing of the solid in water is due to the high solubility of the solid that is sugar in water. As it is seen in the experiment there will be no change of the solution except increasing of the volume. But if one look the solution from its density state, then there will be a remarkable change. The fact can be described in terms of density only. The density of the normal water and sugar added water will be different.
The density of the sugar added water will be more than the normal water. The density of a liquid depends upon its mass and volume. The definition of density is the mass of a material per unit of its volume. Here due to addition of 50 grams of sugar the mass will be increase and also its volume as a result the density will also increase.
<u>The </u><u>pH </u><u>of the solution is also </u><u>increased.</u>
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What is pH and its importance?
- pH is an important quantity that reflects the chemical conditions of a solution.
- The pH can control the availability of nutrients, biological functions, microbial activity, and the behavior of chemicals.
- The pH is then calculated using the expression: pH = - log [H3O+].
- The solubility of an ionic compound is affected by the hydronium ion concentration.
- Addition of H₃O⁺ to the anion of a weak acid, increases the solubility of the ionic compound.
Therefore, the pH of the solution is also increased.
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Unit' is the word used to describe how something is measured. When researching a question in science, we collect data, interpret it, and share the results with other scientists. A common measurement system allows us to make direct comparisons instead of having to know things like how much a certain animal weighs.
Answer:
They are both pretty soft for metals, but magnesium is significantly harder than calcium using this scale . Mg = 2.5, Ca = 1.75. The larger the number, the harder
Explanation: