Chemistry, asked by vardhannandan8644, 1 year ago

Calculate the molar mass of k2cr2o7

Answers

Answered by balasahebtandale131

0

Answer:

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Answered by pal69

9

Answer:

Potassium Dichromate -- K2Cr207

Molar mass is the mass of 1 mole of substances in grams.

Let us first find out Molecular mass of K2Cr207 Atomic mass of K=39u Atomic mass of Cr=52u Atomic mass of O=16u

Molecular mass of K2Cr207 is the sum of all the atomic masses of the elements present in the compound.

=2x39+2x52+7x16 =78+104+112 =294 Unified mass.

Molar mass of K2Cr207 is 294g

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