Question

How+many+spdoum+ions+are+there+in+2.12g+of+sodium+carbonate

Answer 1

Answer:

no of moles=weight/gm molar weight

=2.12/106

=0.02 moles.

one mole compound has 2 moles sodium ions.i.e.Na2CO3.

no of Na ions=2×0.02×6.022×10^23 .

Answer 2

Answer:no of moles=weight/gm molar weight

=2.12/106

=0.02 moles.

one mole compound has 2 moles sodium ions.i.e.Na2CO3.

no of Na ions=2×0.02×6.022×10^23 .

Explanation: