What volume of a 0.200 M HC2H3O2 solution is required to reach the equivalence point when titrated with 50.00 ml of 0.200 M NaOH?

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

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

The boiling point of liquids is very high what does it indicate