45. What is the pH of the solution which results from mixing 150 mL of 0.50 M CH, CO2H(aq) and 150 mL of 0.50 M NaOH(aq) at 25 °C? (K. of CH. CO2H = 1.8 10-4)
a) 2.67
b) 4.74
c) 4.93
d) 8.26
e) 9.07​

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.