want to make sure of the answers

CUCIUCURE which constha CH10 free- Whatham 15 2 How more SOOM Cicate the volume occupied by 2.12 ms of nicode INO) 654 and 76 341 12 for which compound are the marcat and molecular forms the same MOOCOON COSCOOH acoch COM What is the mass of one molecule oferim? 18 Ample of hydrogen gas (H) has volume of a Temperature of Doc and a pressure of 15 atm. Calculate the moles of molecules present in this gas sample 0.57 0.75 mol 11 D 5 mol O 15 ml 2010 A3.00 mt sample of 0.1050 M H2S04 titrated with a MOHution of unknown concentration. The phenolphthalen endpoint was reached when 17.23 mt of the NO solution had been added. What is the concentration of the NOH? DISIM 0.07617M 2347M 17M which ones of the following statements must be known to ind enthalpy of 0 Co2000 10 which transformation is an oxidation? VO-> NO NO D --> 50 00,00, 21. How should a student prepare 100 ml of a LOM HISOA solution from 10. M H2504 solution? 10 Am 0 to 10 Add 90 mt 100 to 10 of 10 MIQS04, tie m of 10 MHOSO and dilute to 100 ml after allowing to cool Ada 10 of 10M Add 10 ml of 10 M 504 to 50 m of 100 H2SO4 to 90 ml of 120 it and dilute to 100 L after allowing to cool Wolar formation enthalpy of 2000) Morformation enthalpy of cold and cold Molar combustion enthalpy of Cts)+028) 02g) only D 12 What volume of 0.108 M H2SO4 is required to neutralize 25.0 ml of 0.145 M KOHT 33.5 m 16.8 ml 372 ly 671m