Answer:
12.6 gram of HF will produced 0.315 moles of SnF₂
Step-by-step explanation:
Given data:
Mass of HF = 12.6 g
Moles of Tin fluoride produced = ?
Solution:
Chemical equation:
Sn + 2HF → SnF₂ + H₂
Number of moles of HF:
Number of moles = mass/ molar mass
Number of moles = 12.6 g/20.01 g/mol
Number of moles = 0.63 mol
Now we will compare the moles of HF with SnF₂.
HF : SnF₂
2 : 1
0.63 : 1/2×0.63 = 0.315 mol
So 12.6 gram of HF will produced 0.315 moles of SnF₂.