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 of chlorineWhat is the empirical formula for this compound?
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?
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...
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)
4. 0.0026g of a compound composed of only carbon and hydrogen burns to give 0.00763g of CO2. (8 points) a) Determine the empirical formula of the compound b) If 0.165mole of naphthalene has a mass of 9.9g, what is the molecular formula of naphthalene?
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
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.
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.