Some Basic Concepts of Chemistry - Result Question 23

####23. The equivalent weight of MnSO4 is half of its molecular weight, when it converts to

(1988,1M)

(a) Mn2O3

(b) MnO2

(c) MnO4

(d) MnO42

Objective Question II (More than one correct option)

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Solution:

  1. Mass of an electron =9.108×1031kg

9.108×1031kg=1.0 electron

1kg=19.108×1031 electrons =10319.108×16.023×1023

=19.108×6.023×108 mole of electrons 



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