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Soloha48 [4]
3 years ago
13

Which element will have the greatest attraction for the calcium electrons?

Chemistry
1 answer:
ratelena [41]3 years ago
6 0
Its would be fluorine as its the most electronegative 

hope that helps <span />
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Food undergoes both physical and chemical changes during digestion. Which parts of the digestive process listed below is a physi
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Chemistry is the study of all of the following EXCEPT
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-- A scientist combines 14 grams of potassium nitrate with an unknown amount of
igor_vitrenko [27]

Answer:

The unknown amount of potassium chloride is 13.6 grams.            

 

Explanation:

The reaction of 14 grams of KNO₃ with KCl produces a total mass of 27.6 grams of the products.

The law of conservation of mass tells us that the total mass of the reactants must be the same that the total mass of the products. So, we can find the mass of KCl as follows:

m_{r} = m_{p}

Where <em>r</em> is for reactants and <em>p </em>is for products

m_{KNO_{3}} + m_{KCl} = m_{p}

14 g + m_{KCl} = 27.6 g

m_{KCl} = 27.6 g - 14 g = 13.6 g

Therefore, the unknown amount of potassium chloride is 13.6 grams.           

I hope it helps you!

5 0
3 years ago
The table below shows the density of a sample of a mystery liquid you tested in the lab. Can you infer the identity of the subst
Mashutka [201]

Answer:

A. Yes, the substance must be water.

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One of the ways of identifying a substance is to determine its density. Every matter is known to have their own specific densities. This makes them different from other substances. The density of gold is unique to it and it differs from that of silver.

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Coefficients of the correct balanced equation for the reaction, CaCl2 + AgNO3 ⟶ AgCl + Ca(NO3)2.
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CaCl2 + 2 AgNO3 ---> 2 AgCl + Ca(NO3)2

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