What is the state of matter for H2O?

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?