What ions and/or molecules are present in relatively large proportions in the following solutions?

a solution of a strong base ba(oh)2 (aq)
a solution of the soluble salt ca(no3)2(aq)

explain

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.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The organs inside the body and how they function together