The concentration of hydrogen ions in an aqueous solution is 1.0 × 10-5 M at 298 K. What is the concentration of hydroxide ions in the same solution? A. 1.0 × 10-14 M

B. 1.0 × 10-9 M

C. 1.0 × 10-7 M

D. 1.0 × 10-5 M

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?