What volume of 9 M sodium hydroxide is required to make 500 mL of 0.1 M sodium hydroxide?

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

How many atoms are in 2 moles of phosphorus?

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.