Question

0.328 63. How many grams of zinc are there in 22.7 g of ZnCl2? A) 0.35 € B) 0.178 C 10.9 g D) 1476 g E) 64. A compound with a composition of 87.5% N and 12.5% H was recently discovered. What is the empirical formula for this compound? A)NH2 B)N2H3 C)NH D) N2H2 EN2H 65.Combustion analysis of a hydrocarbon produces 0.396 g of CO2 and 0.163 g of H2O. Which of the following molecular formulas is consistent with the analysis? A) CHAB ) Cato C C2H20 E) CHE Catte

Answer 1

Molas mass of Endly 136.286 g/mol mass of Zn = 65.38 g/nl. T 136.286 8 of Zndo Contain 65.389 Zn] 22.7 g of " - 65.38 +29.7 176.286 - 10.9g = Ira Seammedlevith CamScanner