Question

Calculate the molecular mass the following [K. 39, Mn.55, o.6]​

Answer 1

$\huge\underline\mathfrak\purple{Answer}$

Molecular Mass of KMnO4 = Atomic mass of potassium + atomic mass of manganese + 4 (atomic mass of oxygen)

=1(39u) + 1(55u) + 4(16u)

= 39u + 55u + 64u

= 158u

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