Answer:
Mixture
Explanation:
It is made up of just one type of element (sulfer). Since multiple elements are joined together, it's an example of a mixture.
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<em>Acetic acid, HC2H3O2</em>
First, calculate for the molar mass of acetic acid as shown below.
M = 1 + 2(12) + 3(1) + 2(16) = 60 g
Then, calculating for the percentages of each element.
<em> Hydrogen:</em>
P1 = ((4)(1)/60)(100%) = <em>6.67%</em>
<em> Carbon:</em>
P2 = ((2)(12)/60)(100%) = <em>40%</em>
<em>Oxygen</em>
P3 =((2)(16) / 60)(100%) = <em>53.33%</em>
<em>Glucose, C6H12O6</em>
The molar mass of glucose is as calculated below,
6(12) + 12(1) + 6(16) = 180
The percentages of the elements are as follow,
<em> Hydrogen:</em>
P1 = (12/180)(100%) = <em>6.67%</em>
<em>Carbon:</em>
P2 = ((6)(12) / 180)(100%) = <em>40%</em>
<em>Oxygen:</em>
P3 = ((6)(16) / 180)(100%) = <em>53.33%</em>
b. Since the empirical formula of the given substances are just the same and can be written as CH2O then, the percentages of each element composing them will just be equal.
Answer:
Sodium atom lose one valance electron and form cation with charge of +1.
Chlorine atom gain one electron and form the anion with charge of -1.
Explanation:
Neutral atom loses are gains the the electrons and form ions.
There are two types of ions. Cation and anion
Cation:
When a neutral atom lose electron it form cation. The charge gained by atom is depending upon how many electrons are lost by atom. For example,
X → X⁺ + e⁻
In case of sodium:
Na → Na⁺ + e⁻
Anion:
When a neutral atom gain electron it form anion. The charge gained by atom is depending upon how many electrons are gained by atom. For example,
X + e⁻ → X⁻
In case of chlorine:
Cl + e⁻ → Cl⁻