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qaws [65]
3 years ago
6

Which bond is formed due to a high electronegativity difference?

Chemistry
1 answer:
ira [324]3 years ago
8 0
Answer:
Ionic bond

Explanation:
When the electronegativity between the two atoms is very large (usually greater than 2.1), this can lead to total transfer of electron from the higher electronegative  atom to the lower one.
The total transfer of electrons leads to the formation of ionic bond.

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How many pints of a 30% sugar solution must be added to a 5 pint of a 5% sugar solution to obtain a 20% sugar solution?
ser-zykov [4K]

You must add 7.5 pt of the 30 % sugar to the 5 % sugar to get a 20 % solution.

You can use a modified dilution formula to calculate the volume of 30 % sugar.

<em>V</em>_1×<em>C</em>_1 + <em>V</em>_2×<em>C</em>_2 = <em>V</em>_3×<em>C</em>_3

Let the volume of 30 % sugar = <em>x</em> pt. Then the volume of the final 20 % sugar = (5 + <em>x</em> ) pt

(<em>x</em> pt×30 % sugar) + (5 pt×5 % sugar) = (<em>x</em> + 5) pt × 20 % sugar

30<em>x</em> + 25 = 20x + 100

10<em>x</em> = 75

<em>x</em> = 75/10 = 7.5

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3 years ago
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dem82 [27]

Answer : The formula unit of compound will be, PbO_2

Explanation :

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Answer:

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