An iron ore was found to contain 92.0% pyrite (fool's gold). Pyrite has the formula FeS2and is 46.5% iron. How many grams of iron are there in 65.8 grams of iron ore?

Question: nstatus: QUESTION 6 An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454.0 g of Fe? o A 1297 e B. 158.9 C. 295.1 o D.350.0 E none of the above QUESTION 7 What is the mass percent of carbon in oxalic acid, H2C204?

An iron ore sample is found to be 35.00% Fe by mass. How many grams of iron ore are needed to obtain 454.0 g of Fe?

An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454.0 grams of Fe?Question 39 options:E. none of the aboveD. 350.0C. 295.1B. 158.9A. 1297

Question: An Iron ore sample was found to contain 28% Fe by mass. How many grams of the ore are needed to obtain 500g of Fe? An Iron ore sample was found to contain 28% Fe by mass.

A piece of iron ore is found to contain a compound containing 72.3% iron and 27.7% oxygen with a molecular mass of 231.4 g/mol. What is the molecular formula of the compound? My answer is Fe 3 O 3 because when you find the number of moles, there are 1.73 moles of oxygen and 1.29 moles of iron. Should I round those down?

Answer to An iron ore sample is found to be 35.00% Fe by mass. Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on.

Question: 2. When 0.419 grams of iron were heated with pure sulfur, 0.779 grams of compound were produced. Determine the simplest formula for the newly formed compound. 3. An iron ore sample from Northern Minnesota is analyzed and found to contain 72.4% iron and 27.6% oxygen. Determine the simplest formula for the ore.

An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain of Fe?

Question: Farah is preparing a bar chart to depict the varying amounts of iron ore found in different geographic regions of the country. She adds a title to the chart and labels both the axis. All the labels are present inside the bars and the width of the bars varies according to the value each of them represents.