Question 6 100 mL of 0.25 M NaNO3 solution is mixed with 150 mL of 0.5...
100 mL of a 0.2 M solution of NaOH is mixed with 150 mL of a 0.3 M HCl solution. A neutralization reaction occurs: NaOH + HCl —> NaCl + H2O. What is the molarity of the molecules in the mixed solution after the reaction has reached completion?
If 150 mL of 0.1 M HCl were mixed with 100 mL of 0.125 M NaOH what would be the pH of the resulting solution? A. 1 B. 2 C. 3 D. 4
100 mL of 0.1 M HCl are mixed with 100 mL of 0.25 M NaOH. If the temperature of solution rose 5.0 degree C, what is the heat of reaction? Heat lost by_____ = - Heat gained by _____
125 mL of 0.04 M acid, pKa 5.8, is mixed with 150 mL of a 0.4 M solution of its sodium salt. What is the pH of the final mixture? Thank you!
(e) Consider this example problem: If 100 mL of 0.100 M HCl solution is mixed with 100. mL of 0.100 M NaOH, what is the molarity of the resulting salt solution? (assuming the volumes are additive and ignore the change in H2O, which is negligible). HCIA NaOHa NaCl + H2O 1 mol 1 mol 1 mol Mols @Start: 100 mL (100 M ME!) 100 ml (0.1.000 ) O mol = 10 mmol HBr = 10 mmol NaOH Change - 10...
5. If 75.0 mL of a 0.20 M solution of sodium nitrate (NaNO3) is mixed with 25.0 mL of 0.10 M barium nitrate (Ba(NO3)2), what is the molar concentration of nitrate in the resulting solution? A. 0.10 M D. 0.15 M B. 0.20 M E. 0.18 M C. 0.30 M
A 350. mL solution of 0.150 M NaNO3(aq) is mixed with a solution of 230. mL of 0.240 M NaCl(aq). How many moles of Na+(aq) are present in the final solution? A) 0.0525 moles D) 0.0539 moles B) 0.108 moles E) 0.195 moles C) 0.186 moles
6. How many mL of 0.2 M sodium acetate should be added to 200 mL of 0.2 M acetic acid to make a buffer of pH 5.5? (refer to Table 2-2 on page 60 for pKa values). What is the molarity of the resulting buffer with respect to acetate (acetate + acetic acid)? 7. How many mL of 0.2 M HCl should be added to 50 mL of 0.2 M Tris base (Trishydroxymethyl aminomethane) to make a buffer of pH...
1. What volume of 0.10 M NaOH is needed to neutralize 100 mL of 0.050 M HCl? 2a. When 100 mL of 0.01 M NaOH solution is mixed with 100 mL of 0.01 M of HNO3 solution, what is the concentration of H+ and the pH in the resulting mixture? 2b. When 100 mL of 0.01 M NaOH solution is mixed with 100 mL of 0.02 M of HCl solution, what is the concentration of H+ and the pH in...
18. Find the pH of the following mixture: 100. mL 0.100 M HBO3 mixed with 150. mL 0.100 M NaH2B03.