you can use mole ratios and molar mass to determine the masses of substances involved in a chemical…

you can use mole ratios and molar mass to determine the masses of substances involved in a chemical reaction. using the periodic table, calculate the molar mass of iron (iii) oxide (fe₂o₃). type in your answer using two decimal places. note: molar mass should always be reported as two decimal places because the periodic table uses two. significant figures do not apply to molar masses. molar mass of fe₂o₃ = g/mol done

you can use mole ratios and molar mass to determine the masses of substances involved in a chemical reaction. using the periodic table, calculate the molar mass of iron (iii) oxide (fe₂o₃). type in your answer using two decimal places. note: molar mass should always be reported as two decimal places because the periodic table uses two. significant figures do not apply to molar masses. molar mass of fe₂o₃ = g/mol done

Answer

Answer:

159.69

Explanation:

Step1: Identify atomic masses

From periodic - table, $M_{Fe}=55.85$ g/mol, $M_{O}=16.00$ g/mol

Step2: Calculate molar mass of $Fe_2O_3$

$M_{Fe_2O_3}=2\times M_{Fe}+3\times M_{O}=2\times55.85 + 3\times16.00=111.7+48.00 = 159.69$ g/mol