Answer:
Mole fraction of in solution is 0.0597.
Explanation:
Molar mass of = 17.031 g/mol
Molar mass of = 18.015 g/mol
No. of moles = (mass)/(molar mass)
So, 15.0 g of = moles of = 0.8807 moles of
250 g of = moles of = 13.88 moles of
So, Mole fraction of in the solution = (no.of moles of )/(total no. of moles) = = 0.0597
Hence, mole fraction of in solution is 0.0597.
0.5
1 mole of ammonium nitrate contains 2 moles of nirogen
1 mole of nitrogen converts to 0.5 moles of ammonium nitrate
the conversation factor is 0.5
D. It gives the same results when experiments are repeated