CHM242H5 Study Guide - Lithium Nitride, Aluminium Hydroxide, Phosphorus Trichloride

1) 07How many grams of Li3N can be formed from 1 75 moles of Li? Assume an excess of nitrogen. 6 Li(s) + N2(g) → 2 Li3N(s) A) 183 g LighN B) 610 g LigN ) 20.3 g Li3N D) 58.3 g LigN E) 15.1 g Li3N 2)How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the 2) following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNOg(s) → 2 K20(s) + 2 N2(g) + 5O2(g) A) 1.73 mol N2 B) 0.580 mol N2 C) 0.290 mol N2 D) 0.724 mol N2 E) 18.5 mol N2 3) Give the percent yield when 28.16 g of Co2 are formed from the reaction of 7.000 moles of CsH1s 3) with 14.00 moles of O2. 2C8H18 + 25。2 → 16CO2 + 18H20 A) 11.42% B) 14.28% 39.00 D) 2856% E) 7.140% 4) How many milliliters of a 0.184 M KNO3 solution contain 0.113 moles of KNO3? 4) D) 885 mL E) 163 mL 326 mL 5) How many milliliters of a 0.266 M KNOs solution are required to make 150.0 mL of 0.075 M KNOs 5) C) 18.8 mL A) 614 mL B) 543 mL solution? A) 53.2 mL B) 35.1 mL D) 23.6 mL E) 42.3 mL 6How many liters of a 0.0550 M NaF solution contain 0.163 moles of NaF? 6) A) 3.37 L B) 1.12 L 148L D) 8.97 L E) 296 L 7 What is the concentration of barium ions in a 0.750 M BaCl2 solution? 7) A) 2.25 M B) 0.160 M 150 M D) 0.375 M E) 0.750 M

18. How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s)-2K20(s) + 2 N2(g) + 5 O2(g) A. 0.290 mol N2 B. 0.580 mol N2 c. 18.5 mol N2 D. 0.724 mol N2 E. 1.73 mol N2

lopic Da N General Intent Crime Quis course,/1456033/quizzes/2280 ake DQuestion 9 How many moles of LigN can be formed from 4.0 mol Li and 1.5 mol N2? 6 Li(s) + N2(g) → 2 Li3N(s) 1.3 mol LigN 3.0 mol Li3N 6mol Li3N e 2 mol LigN DQuestion 10 What is the relationship between acetic acid (C2H4O2) and glycerin (C3H&O3) Both molecules have similar chemical properties. O Both molecules have the same number of carbon atoms O There is no relationship between acetic acid and glycerin. 0 Both molecules have the same empirical formula. 0峊曲솝 1식 로 eå §[email protected]