Number of moles of ions in of is:

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

Number of moles of

\mathrm{Na}^+

ions in

20\,\mathrm{L}

0.4\,\mathrm{M}\ \mathrm{Na}_3\mathrm{PO}_4

is: (1) 8 (2) 24 (3) 16 (4) 12