  # Calculate the molecular mass of CuSO4. 5H2O

By BYJU'S Exam Prep

Updated on: September 25th, 2023 The molecular mass of CuSO4. 5H2O is 249.5 gm/mole. The molecular mass of a compound is the sum of the atomic masses of all the constituent molecules.

We know that:

• The atomic mass of H = 1g
• The atomic mass of O = 16g
• The atomic mass of Cu = 63.5g
• The atomic mass of S = 32g

The molecular mass of CuSO4. 5H2O = Atomic mass of Cu + Atomic mass of S + (9 x atomic mass of O) + (10 x atomic mass of H)

Substituting the values we get:

= 63.5 + 32 + 9 x 16 + 10 x 1

= 249.5 gm/mole

Hence, the molecular mass of CuSO4. 5H2O is 249.5 gm/mole.

Table of content ### Uses of copper sulfate

• The pentahydrate of this substance is CuSO4. 5H2O is used as a fungicide since a variety of fungi can be killed by it.
• Copper sulphate is a component of both Fehling’s solution and Benedict’s solution, which are tests for reducing sugars.
• Using this technique, blood samples are checked for diseases like anaemia.
• The oxidant produced by the combination of KMnO4 (potassium permanganate) and CuSO4 can be utilised to convert 1o
• When utilising vegetable dyes, it also acts as a fixative for the colour.
• By dissolving copper sulphate in water, liquid resistors containing resistive elements can be created.
• It can be used as a decorative element because it can also give cement, ceramics, and other metals colour.
• Bookbinding glues also contain copper sulphate, which protects printed paper from insects.

Summary:

## Calculate the molecular mass of CuSO4. 5H2O

The molecular mass of CuSO4. 5H2O is 249.5 gm/mole. Both hydrated and anhydrous copper sulphates have a tendency to break down when heated, so they lack precise boiling points. Blue, hydrated copper(II) sulphate is a solid that is bound to water molecules.

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