In 6.23 * 10^23 atoms, number of moles = 1
So, It would be: 3.94 * 10^23 / 6.23 * 10^23
= 0.654 moles
In short, Your Answer would be Option A
Hope this helps!
I don't understand what is (g).
Maybe the answer is 2H<span>(aq)S</span>₂<span>−2(aq) </span>⇒ <span>H</span>₂<span>S</span>₂.
"The objects weight changes, but the mass stays the same" is the one statement among the following choices given in the question that <span>is true about the object. The correct option among all the options that are given in the question is the first option or option "a". I hope the answer has come to your help.</span>
The answer is 1:1 for this question