Plz help me 1. You have a solution that has a pOH of 2.13. What is the pH of this solution?

A. 16.13

B. 11.87

C. 6.57

D. 3.29

2. If the pH of a solution is 5.26, what is it’s pOH?

A. 19.26

B. 8.74

C. 4.88

D. 2.66

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

Which of the following describes the entropy change as a solution is made from a liquid and solid