Select all of the following that would be acceptable conjugate acid-base pairs to use in the preparation of a pH=9.8 buffer. HCN/KCN H2S/KHS KHSO3/K2SO3 NH4Cl/NH3 KHCO3/K2CO3 HF/KF HNO2/KNO2 KHS/K2S

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

Why do lunar and solar eclipse not happen every month