Does it take the same amount of all materials like sugar or salt to saturate 50 ml or water?

If a || b and e || f, what is the value of y ?

According to the tide table below what time of day will the highest tide occur?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount