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Yuri [45]
3 years ago
12

What is oxidation number on Ni in the next compound K2[NiBr6] ???

Chemistry
1 answer:
ziro4ka [17]3 years ago
4 0

Explanation:

The oxidation number of Ni is +4

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How many moles are in 6.80 x 10^23 atoms <br> of gold, Au?
frosja888 [35]

Answer:

1.13 moles Au

Explanation:

Moles Au = 6.80x10²³atoms / 6.023x10²³atoms/mole = 1.13 moles Au

8 0
2 years ago
What is an atomic reaction​
castortr0y [4]

Atomic reaction is nothing but the reaction of one atom with the other atom to form the new compound.

<u>Explanation:</u>

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  • Generally in the atomic reaction, there will be loss or gain of the electron to or from the substance with which the reaction takes place.
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8 0
3 years ago
How many atoms are in 175.8 grams of Hg?
dybincka [34]
5.22*22^3 should be the answer
5 0
3 years ago
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prohojiy [21]

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Really

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3 0
3 years ago
What is the [H ] of a solution of 0.001 M aqueous sulfuric acid (H2SO4) is H2SO4 ionizes in water according to the balanced chem
Ainat [17]

Answer:  0.002 M

Explanation:

The balanced chemical equation for ionization of H_2SO_4 in water is:

H_2SO_4\rightarrow 2H^++SO_4^{2-}

According to stoichiometry :

1 mole of H_2SO_4 ionizes to give =2 mole of H^+ ions

0.001 mole of H_2SO_4 ionizes to give = \frac{2}{1}\times 0.001=0.002 mole of H^+ ions

Thus H^+ of a solution of 0.001 M aqueous sulfuric acid is 0.002 M

4 0
2 years ago
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