Question

Find out the number of molecules of Na2 CO3 in 106 grams

Answer 1

no of molecules = (6.023 × 10^23) no of moles

no of moles is equal to given at / GRAM MOLECULAR WEIGHT


the given weight is. 106 GM
the game is 106 GM

106/106 = 1

no of moles is 1

no of molecules are 6.023 ×10^23 ×1

= 6.023×10^23


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