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Katarina [22]
3 years ago
10

The point in a titration when the added amount of standard reagent is equal to the amount of analyte being titrated.

Chemistry
1 answer:
creativ13 [48]3 years ago
8 0
That point is called as EQUILIBRIUM, and then you have to note that value to compare with others
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Answer:

17.92L

Explanation:

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Give the coordination number of the central metal ion in the following complex ions.
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Answer:

a). Coordination no. of [Ni(en)_2(NH_3)_2]^2+ = 6

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Explanation:

Coordination number is defined as number of donar atoms bonded to the central atom of the complex ion.

a). Coordination no. of [Ni(en)_2(NH_3)_2]^2+ = 6

en or ethylenediamine is a bidentate ligand.

In bidentate ligand, two atoms directly bonded to the central atom.

NH3 is a unidentate ligand.

So, coordination no.= No. of bidentate ligand x 2 + No. of unidentate ligand

                                = 2\times 2 + 2 = 6

b). Coordination no. of [Fe(en)(ox)Cl_2]^2- = 6

Ethylenediamine (en) is a bidentate ligand.

oxalate ion (ox) is also a bidentate ligand.

Cl is a unidentate ligand

So, coordination no.= No. of bidentate ligand x 2 + No. of unidentate ligand

                                = 2\times 2 + 2 = 6

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3 years ago
the peak intensity of radiation for a particular star occurs at a wavelength of 2.0 nanometers and what spectral band is this
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For a given peak intensity of radiation of a star that occurs at a wavelength of 2 nanometers, this is located at the spectral band of an X-ray. An X-ray's wavelength typically goes from 0.1 nano meters to 10 nano meters. Given that, the wavelength of the star fits perfectly into the range of an X-ray
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<span>b. a cation and an anion</span>

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