Chemistry, asked by zahiruddinshaikh73, 9 months ago

guys please help me it is the subject chemistry please guys help me i will follow you also

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Answers

Answered by teerathsastha04

2

Answer:

1. Valency of Mn is 1

Valency of Cr is 2

Answered by shivangpandey73

4

the valency of Mn = 1

and Cr = 2

the persantage is 63.63 %

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