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EMpIRICAT. AND MOLECULAR ForMULA WorksHEET . An oxide of chromium is found to have the following % composition: 68.4 % Cr arid 31.6 %.0. Detertninc this compound’s cmpirical formula. OF. ~ & > anh ii a Cr. 2. The percent ice ofa compound was found to be 63.5 % silver, 8.2 % nitrogen, and 28.3 % oxygen. Determine the compound's empirical formula. tg & (93:5 eT OSL = ] NOz , A _— Oy SSD - | SS laa “ oO. SD 6) ia Lia 23 ’ 3. A 170.00 g sathple of an we eee compound cotitains 29,84 g sodium, 67.49 ¢ chromium, and 72.67 g oxygen. What is the compound's empirical formula? No: Sas. USL oaae = SE 1 Na Oe VIO Ovi oT4 . OAT Aa - Ove Or Whoo ~ O.7e | Nagra 207 |} C) ee zal ~ Wa Mt =z del wi 2,5 “FIO GI P o 60.00 g satriple o: 1 athy! ae gasoline additive, is found tu contain 38.43 g lead, 17.83 g carbon, and 3.74 g hydrogen. Find its empirical formula. & Pb Si tt Q5 z= O83 ¢ = | “Pol gly Lo ¢., te ea : aa ; BOW T2. — 2MH - Bie. ‘ZA 3 Pe A 4 mpownl containing 5. 39h oa 1 %H Hand 840738 % O tias a molar mass of '34.01468 g/mol. “Detefinine the émpitical and indlecular formula of this *“, : ; compound. 7 Cee ' 5 I2b5 4g! i 7 Ermey, H- SABE eal > SiS E, WO CEM 170) BOT — vith cee Q Mosel > 5.88 BT 6. The empirical forinula for trichlorolsocyannric acid, the active ingredient in many household bleaches, is OCNCI. ‘The molat mass of this compound is 232.41 1b g/mol. What is the molecular formula of ttichloroisocyanuric acid? ‘ 5 A 2354 2, HY fins’ PEE Shas) ; 2385 Ti gins . : 9, Determine the molecular formula af a compound wilhan Sinpirical fornvala of NE} and a foritnila mags 61.32.06 ainu. iu br MM ial - \ A re 1 Mon cay ae wt % 6 in oy 8. ‘The empirical formula ofa hydrocarbon (compound that contains only C.and H) is found to be CH. Laboratory provedures have found that the molar mass of the compound is 78 g/mol. What is the molecular formula of this compound? sf Ke 9, The molar mass of nicotine is 162.1 gimol, Lt contains 74.0 % carbon, 8.7 % hydrogen, and.17.3 % nitrogen, Determine nicotine’s empitical forowula and molecular formula, ——-— re s) ! in fa i 9 a EA [EE Geka) Vrs ie La 1s iii ok M tea oy FV a fonal AN XL. romide is used as a Grignard reagent in-organic synthesis: Deter niine its empirical and. nolccular formula ifits molar-ma: 181,313 génol. andl contains 39,7458 % C,:2. TIOSE- % H i 13.4050:% Mg, .and 44, 0697 % Br J 5 “ae IE. AF, Roy Byeom = MOR f i i 
