Question

Calculate the molecular mass Na2Co3.10H2O

Answer 1

Answer:

The molecular mass of Na2CO3.10H2O = 286 amu

Explanation:

The atomic mass of compounds are given below:

• Na = 23 amu
• C = 12 amu
• O = 16 amu
• H = 1 amu

Mass of Na2CO3. 10H2O=

=23×2 + 12 + 16×3 + 10( 16 + 2×1)

=46 + 12 + 48 + 180

=58 + 48 + 180

=106 + 180

=286 amu

Answer 2

Answer:

The unit of mass is 286 grams.

Explanation:

Given, the compound is by

Na2Co3.10H2O

We know that :

The mass of Sodium = 23gm

The mass of Carbon = 12gm

The mass of Oxygen = 16gm

The mass of Hydrogen = 1gm

We need to calculate it:

Using the formula of unit mass:

Na2Co3.10H2O

Then, put the value of mass

Formula of the unit mass = 23 × 2 + 3 × 16 +

10 (2+16) = 286

So, the formula of the unit mass = 286 grams

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