Answer:
1.They are reliable.
2.They dont vary from person to person
Answer:
3.79 grams
Explanation:
22.4= STP volume . Molar mass of NH3=17.031
5.00 NH3 × (1 mol/22.4 L) =0.223
convert to grams->
0.223× 17.031= 3.79
Answer:

Explanation:
The total amount of atoms is found by multiplying Avogradro's Number and the number of moles:

