2. what is the mass of 5 moles of fe₂o₃?
2. what is the mass of 5 moles of fe₂o₃?
Answer
Explanation:
Step1: Calculate molar - mass of Fe₂O₃
The molar mass of Fe is approximately 55.85 g/mol and of O is approximately 16 g/mol. For Fe₂O₃, molar mass (M=(2\times55.85 + 3\times16)\text{ g/mol}=(111.7+48)\text{ g/mol}=159.7\text{ g/mol})
Step2: Calculate mass of 5 moles of Fe₂O₃
Use the formula (m = n\times M), where (n = 5\text{ mol}) and (M = 159.7\text{ g/mol}). So (m=5\text{ mol}\times159.7\text{ g/mol}=798.5\text{ g})
Answer:
798.5 g