Answer: 65.7 gram
Explanation:
To calculate the moles :
According to stoichiometry :
1 mole of are produced by = 2 moles of
Thus 0.219 moles of will be produced by = of
Mass of
Thus 65.7 g of NaI, must be used to produce 55.6 g of iodine
If they have a long halflife, you can tell how much time has gone by since the element last has changed on earth.
Answer:
The formal charge on N is usually -1 for an anion, 0 for a neutral compound, and +1 in cations.
Explanation:
Silicon is 3p2 bc 2+2+6+2+2=14 and silicon is the fourteenth element