Question

give the chemical name of compound - KOH and calculate it's molecular mass ( Atomic mass K = 39 ,O = 16 , H = 1 )​

Answer 1

Answer:

Chemical formula KOH

Molar mass 56.11 g mol−1

Appearance white solid, deliquescent

Odor odorless

Explanation:

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Answer 2

Answer:

The chemical name of the given compound is potassium hydroxide.

The molecular mass is $56kgmol^{-1}$.

Explanation:

We need to give the name of compound KOH.

It is written is ionic form as $K^{+} OH^{-}$

The positive ion in potassium.

The negative ion is $OH^{-}$ group stands for hydroxide.

So, the name of the compound is potassium hydroxide.

Molecular mass is defined as the sum of the atomic masses of all atoms in a molecule.

The masses are given as $K = 39 ,O = 16 , H = 1$

So, the mass of KOH will be $39+16+1$

$=56$

The units are $kgmol^{-1}$.

Hence, the molecular mass is $56kgmol^{-1}$.

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