Can someone answer this question please

0.09 moles of sodium sulfate in 12 ml of solution

What are the chemical names of these compounds? ke: mg3n2: reset next

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.