Question

Homework 6. Chapter 8 Be sure to show your work if you want to the problem.) set up and cancelling units, dimensional analys up and cancelling units, dimensional analysis is half Numbers 1-4 all refer to the following equatic CH, +5 0, --> 30, + 4 HẠO How many moles of water will be produced when 8. moles of propane, CH, are burned? 2. How many grams of oxygen are needed to produce 3 moles of carbon dioxide? 3. When 12.6 moles of oxygen are used, how many moles of propane are needed? 4. How many grams of water are produced from 875g of propane? 5. A solution containing 1.25 g of KI is combined with a solution containing 242 g of Pb(NO). What mass of Phl, would result using the following equation? 2KI + Pb(NO) → 2 KNO + PL.

Answer 1

Solution as per given in the question, the reaction is 1 Gllz +593uq tudo 9 moles of Cong used= 8 from mole-mole relationship moles of water = 4x moles of moles of te = 4x8=32 moles (2) moles of q used to produce amole of ...cą moles of 2 = 5, xmoles of ca = 5x3= smokes mass of a = molex molar mass= 32x52160gm 3 moles of a wed = 126 moles of peopone burned a moles of 2 12062 2,52 9 mass of propone = 87.8gm moles of peopone = 3715 = 1.99 moles of ho produced a molesy proponexy = 1.9944 = 7.96 mass of Mo produceda 7.96X18 - 143.289m