Golden930 Golden930

06-06-2015
Chemistry

Answered

How much iron is present in 4.64 g of iron(iii) oxide? answer in units of g

Answer :

lulu1991 lulu1991

06-06-2015

The formula of iron(iii) oxide is Fe2O3. The gram formula mass of Fe2O3 is 56*2+16*3=160. And the Fe accounts for 56*2=116 in one molecule. So the iron mass is 4.64/160*116=3.364 g.

Answer Link

Other Questions

12.- La tercera parte de un número es igual al número menos 12. ¿Cuál es ese número?A) 18 B) 15 C) 9

Use the information below to determine the probability of each event occurring. Simplify if possible.A die with sides numbered 1 to 6 is rolled. Find the probab

Identify the function family to which [tex]$f$[/tex] belongs.[tex] f(x)=|x-2| [/tex]A. Linear B. Square Root C. Cubic D. Absolute Value

Brenda created this personal balance sheet.\begin{tabular}{|c|c|c|c|}\hline\multicolumn{2}{|c|}{Assets} & \multicolumn{2}{|c|}{Liabilities} \\\hlineJewelry

Why was the trading of tin important to Carthage?A. It was more valuable than silver.B. It was used to make purple dye.C. It was needed to make bronze.D. It was

population of a region : area of a region

Fill in the missing justifications in the correct order.[tex]\[ \begin{tabular}{|l|l|} \hline Mathematical Statement & \multicolumn{1}{|c|}{ Justification }

There are twenty amino acids in living organisms. Ten of these are referred to as essential amino acids.Why are they called essential amino acids?A. These amino

Which of the following statements about asthma is TRUE?A. Rates are lower for Puerto Rican children.B. Genes increase the risk of asthma, but the environment is

How many types of rocks can form from the rock cycle?A. 1B. 2C. 3D. 4

Bill made 5 gallons of fruit punch. If 1/4 of punch was cranberry juice, how much cranberry juice did he use?

125 pounds decreased by 4% is

What is the median cost of 26$, 35$, and 50$

I need help with piecewise functions. How to find the domain and range and how to write it notation.

A square has a perimeter of 64 inches What is the length of one side if the square? What is the area of the square??

A square has a perimeter of 64 inches What is the length of one side if the square? What is the area of the square??

What is the median cost of 26$, 35$, and 50$

I need help with piecewise functions. How to find the domain and range and how to write it notation.

Bill made 5 gallons of fruit punch. If 1/4 of punch was cranberry juice, how much cranberry juice did he use?

"Find the point of intersection for each system of linear equations. Which method did you use & why?"