Asolution contains 0.10 m pb2+ and 0.10 m cu2.. which cation will precipitate first when a solution of nazs is slowly added to the mixture? refer to the information sheet for solubility constants. p a) pb2+ b) cu2+ c) impossible to tell d) both cations

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate