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Y_Kistochka [10]
4 years ago
10

Write or show a complete formation of the following ionic compounds a)sodium oxide (Na2O)​

Chemistry
1 answer:
OLga [1]4 years ago
3 0

Answer:

Na + O2 -> Na2O

Explanation:

sodium has one atom, oxygen has two atoms and so they exchange atoms hence Sodium obtaining two atoms at the end of the formation

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The titration of 25.00 ml a 0.125 m hclo4 solution requires 27.07 ml of koh to reach the endpoint. what is the concentration of
agasfer [191]

Answer : The concentration of the KOH is, 0.115 M

Explanation :

Using dilution law,

n_1M_1V_1=n_2M_2V_2

where,

n_1 = basicity of an acid = 1

n_2 = acidity of a base = 1

M_1 = concentration of HClO_4 = 0.125 M

M_2 = concentration of KOH = ?

V_1 = volume of HClO_4 = 25 ml

V_2 = volume of NaOH = 27.07 ml

Now put all the given values in the above law, we get the concentration of the KOH.

1\times 0.125M\times 25ml=1\times M_2\times 27.07ml

M_2=0.115M

Therefore, the concentration of the KOH is, 0.115 M

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3 years ago
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iren2701 [21]
Ionic bonding happens between cations and anions (a non-metal and a metal) 

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What does polar and nonpolar mean in science
MissTica

Polar molecules are molecules are essentially have no molecular symmetry. 

Nonpolar molecules are molecules that have molecular symmetry.

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Answer:

3

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