Question

Find the number of moles of Na2Co3 in 10.6gram of Na2Co3

Answer 1

??. ............ .....

Answer 2

The molar mass of Na2CO3 = (2 x 23) + (12) + (3 x 16) = 106 grams

Number of moles = given mass/molar mass

= 10.6/106

= 0.1 moles

∴ There are 0.1 moles in 10.6 grams of Na2CO3.

Hope it helps!!