It is found experimentally that a compound composed only of iron and chlorine. A sample of...
It is found experimentally that a compound composed only of iron and chlorine. A sample of this compound is composed of 2.470 g of iron and 4.703 g of chlorine. What is the empirical formula for this compound? (3 points)
A sample of the compound contained 23.63 g of copper and 26.37 g of chlorine. What was the empirical formula of this compound?
write clearly c. If 1.164 g of iron filings react with chlorine gas to give 3.384 g of iron chloride, what is the empirical formula of the compound? 2 marks
A sample of an oxide of iron was found to contain 72.34% by mass of iron and 27.66% by mass of oxygen. What is the empirical formula for this compound? (The correct answer is Fe3O4, but I’m not sure how to do the math)
A 50.51 g sample of a compound made from iron and oxygen is decomposed. Analysis of the products showed that 35.32 g of iron atoms were produced. find the empirical formula of this compound
a 8.18g sample of a compound contains 2.61g of potassium K, 2.37 g of chlorine, Cl, and oxygen O. calculate the empirical formula
1. A sample of a compound is found to contain only 3.45g of phosphorus and 19.75g of chlorine. What is the empirical formula of the compound? 2. Place coefficients where needed to balance the following equation: Al O Sio+ Al Si + 3. According to the balanced equation: 2 CH, +704CO; + 6H,O how many moles of O, are needed to react completely with 3.68 mol of CH? 3. 4. Write the balanced equation showing the dissociation of K,PO, in...
A 15.46 g sample of a compound contains 9.87 g of iron, Fe, 1.82 g of phosphorus, P, and oxygen, O. Calculate the empirical formula for the compound.
A 11.76 gram sample of an organic compound containing only C, H, and O is analyzed by combustion analysis and 20.95 g CO2 and 8.579 g H2O are produced. In a separate experiment, the molar mass is found to be 74.08 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = molecular formula =
a sample of an unknown compound was analyzed and found to contain 19.97% phosphorus and oxygen. What is the empirical formula of the compound? 4, Calculate the empirical formula for the compound formed when 10.83 g of zinc are heated with sulfur to form 16.16 g of zinc sulfide.