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ozzi
3 years ago
5

Calculate the molarity of a solution that contains 200 g of copper (II) chloride( CuCl2) in 150 mL of solution.

Chemistry
1 answer:
Yuliya22 [10]3 years ago
7 0
I think it’s letter C or D
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receiving a vaccination

Explanation:

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Which of the following groups of atoms are most likely to have similar properties?
vladimir1956 [14]
The third option because the elements mentioned in that selection are in the same group, they must have similar properties.
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Find the no of moles of ca in 8g of ca​
Tom [10]

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Thus,there are 0.2 mole in 8 g of calcium.

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3 years ago
Place the following covalent bonds in order from least to most polar: a. H-Cl b. H-Br c. H-S d. H-C
timofeeve [1]

Answer:


The Order is as follow,

                                     C-H < S-H < H-Br < H-Cl


Explanation:

                      Polarity depends on the electronegativity difference between two atoms, greater the electronegativity difference, greater will be the polarity of bond and vice versa.


Electronegativity Difference between Hydrogen and other given elements are as follow,


1) C-H;

               E.N of Carbon     = 2.55

               E.N of Hydrogen = 2.20

                                           ------------

               Difference              0.35


2) S-H;

               E.N of Sulfur       = 2.58

               E.N of Hydrogen = 2.20

                                           ------------

               Difference               0.38


3) H-Br;

               E.N of Bromine   = 2.96

               E.N of Hydrogen = 2.20

                                          -------------

               Difference              0.76


4) H-Cl;

               E.N of Chlorine   = 3.16

               E.N of Hydrogen = 2.20

                                           -----------

               Difference               0.96


Hence it is proved that the greatest electronegativity difference is found between H and Chlorine in H-Cl, therefore it is highly polar bond and vice versa.

7 0
3 years ago
The number of particles in 8 g 02 molecules are​
igor_vitrenko [27]

Answer:

cholesterol

Explanation:

gsdhudbdjbfmcjfjdncbdhdnhdndbchdncbdn f f ff

5 0
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