N=9.933
Explanation:
no of mole = m÷mr
then ,no of molecules=n×la
Answer: C
Explanation: This is because of a nice thing called guessing
<span> .789=12.8*x
.789/12.8=x
.0616=x
.0616ml </span>
<span>D. all of the above because ionic compound is a salt. it is also held together by ionic bonds. it has anions and cations </span>