Answer is .
Explanation: To calculate the mass of 1 Xe-atom , we will require atomic mass of Xe which is 131.29amu.
This atomic mass is the mass of 1 mole of 1 Xe-atom. One mole of Xe-atom is atoms of Xe. We will use this relation to convert Mass of Xe-atom into grams.
=
Answer:
1.99moles
Explanation:
molar mass of HCl = 1 + 35.5 = 36.6 g/mol
reacting mass of HCl = 72.9 grams
number of moles= reacting mass÷molar mass
= 72.9÷36.6
=1.99mol
Answer:
<h3>In chemical reaction atoms are reactants </h3>