14. 17.5 mL of a 0.1050 M Na2CO3 solution is added to 46.0 mL of 0.1250 M NaCl. What is the concentration of sodium ion in the final solution? (A) 0.205 M (B) 0.119 M (C) 0.539 M (D) 0.148 M

24. Which of the following processes always results in an increase in the energy of a system? (A) The system loses heat and does work on the surroundings. (B) The system gains heat and does work on the surroundings (C) The system loses heat and has work done on it by the surroundings. (D) The system gains heat and has work done on it by the surroundings.

14. 17.5 mL of a 0.1050 M Na2CO3 solution is added to 46.0 mL of 0.1250 M NaCl. What is the concentration of sodium ion in the final solution?
(A) 0.205 M
(B) 0.119 M
(C) 0.539 M
(D) 0.148 M

相關試題

相關試卷

14. 17.5 mL of a 0.1050 M Na2CO3 solution is added to 46.0 mL of 0.1250 M NaCl. What is the concentration of sodium ion in the final solution?(A) 0.205 M(B) 0.119 M(C) 0.539 M(D) 0.148 M

相關試題

相關試卷

14. 17.5 mL of a 0.1050 M Na2CO3 solution is added to 46.0 mL of 0.1250 M NaCl. What is the concentration of sodium ion in the final solution?
(A) 0.205 M
(B) 0.119 M
(C) 0.539 M
(D) 0.148 M