Question

What is the mass of 5 moles of sodium carbonate

Answer 1

Mass of sodium carbonate =2(23)+12+3(16)

=106

Now 1 mole,= 106g

5 mole = 106*5 = 530g

Answer 2

The mass of 5 moles of Sodium carbonate is 530g.

Explanation:

• The total number of the given moles of sodium bicarbonate which is $Na_2CO_3$ is 5.

• We know that for calculating the total given number of the moles, we have to divide the mass of the substance with its molar mass.

• Therefore in order to calculate the given mass of the same substance, we will have to multiply the molecular mass with a number of the moles present.

• The molecular mass of$Na_2CO_3$ can be calculated by adding the masses which are$23\times 2+12+16\times3 = 106.$

• Therefore the given mass is $5\times106$ which is equal to 530g.

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