The monoprotic buffer compound has a pKa of 7.4. Dr. Seagull added 30. mL of 1.0 M sodium hydroxide to 100. mL of a 1.0 M solution of the weak acid form of the buffer. What is the pH of this prepared solution

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Can someone me with questions 12 and 13 plz.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025