Question

Determine the empirical formula for a compound that contains 15.0% C, 5.0% H, and 80.0% S by mass. empirical formula: A 10.04 g sample of a compound contains 6.41 g of iron, Fe, 1.18 g of phosphorus, P, and oxygen, O. Calculate the empirical formula for the compound. empirical formula: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (0) by mass? Insert subscripts as needed. empirical formula: HCO

Answer 1

Mass Eleent 9ivide ach y Smallesd No Mass / A toric Hass 15 =/.00 1.95 Moles X 1 1. 2S /Q (snallest No.) 5/ 4.0 - 5 Males /2S 2.57 2.0 2.5 oles 25 50 The enpini Cal foxpla vis CH S

Totel Hass of 16.01 Elerent ivede each SHOltest No Pito HIC HOSS No. of Moles 55859hol fe 0.1/S 3.0/ 038 0.1/5 Moles 0.038 3-411/at O038 0.038 Mules (smllest No) 0 153 4 0.038 =0.153 MOles Enpinial Faru of com Py

divide eauh Mass Elenent MASS snallest No Atoric Hoss 3.25 3.25 3-95/ H 1.6/ 193 6 17-36A 1 C 1,61 77 39/ 4.83 1.6/ .83 2/3 77.59/ Co Enpinial orduh is