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Lerok [7]
2 years ago
12

What is the cation in the chemical formula MnSe?

Chemistry
1 answer:
sineoko [7]2 years ago
6 0

Answer:

Mn

Explanation:

The cation in the chemical formula MnSe is the Mn specie.

  • A cation is a positively charge ion or radical.
  • Such an ion has lost electrons and this leaves a net positive charge on them.
  • The Mn is the cation
  • Most metals forms cations as they readily lose electrons due to their large atomic radius.
  • Se is the anion as it will carry a negative charge
  • Most non-metals are anions
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As we know,
                    Density of Benzene  =  876 Kg/m³
And,
                    Density of Water       =  997 Kg/m³
So,
     Specific Gravity is calculated as,

                     Specific Gravity  =  Density of Benzene / Density of Water

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Every object having specific gravity less than 1 will float on water and if value is greater than 1 then it will sink.

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a 108ml sampl of gas has a mass of 77.96mg at a pressure of 1140mmhg and temperature of 183°c .what is the molar mass of the gas
madam [21]

Answer:

146.85 g/mol

Explanation:

PV=nRT

n=mass/molar mass

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then rearrange the formula:

n=PV/RT

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n= 5.308*10^(-4)

rearrange the n formula interms of molar mass:

Molar mass= mass/n

=0.07796/(5.308*10^-4)

molar mass= 146.85g/mol

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