Hidrogenofosfato de bario fórmula química

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong