1. How many moles of NaCl are contained in 350,mL of a 0.115M solution of sodium chloride? a. 0.114 b. 0.040 c. 0.081 d. 0.689 e. 0.153 2. According to the following balanced reaction, how mamy moles of HNOs are formed from 2.50 moles of NO2 if there is plenty of water present? 3NO2(g)+H2O(f)2HNO3(aq)+NO(g) a. 7.5 mols NO b. 3.75 mols NO c. 2.50 mols NO d. 1.67 mols NO e. 0.834molsNO 3. A solution of 25.0mL of 0.10MNaCl is maxed with 50.0mL of 0.20MKC. What is the concentration of [C] ] ions in the mixture? a. 0.013M b. 0.30M c. 0.17M d. 0.04M e. 0.20M 4. A 0.334g sample of an unknown halogen occupies 109mL at 398K and 1.41 attm. What is the identity of the halogen? a. F2 b. Cl2 c. B12 d. 12 e. Ge Which best describes the balanced equation for the following reaction: SO2(g)+O2(g)+H2O(I) H2SO4(aq) a. SO2(g)+O2(g)+H2O(l)H2SO4(aq) b. 2SO2(g)+O2(g)+2H2O(l)H2SO4(aq) c. SO2(g)+2O2(g)+H2O(l)H2SO4(aq) d. 2SO2(g)+O2(g)+2H2O(l)2H2SO4(aq)