1. Calculate the molarity of a 4.8 L solution made with 5 moles of BeBr2 2. Determine the molarity of 2.5 L solution made with 698g rubidium chloride (RbBr).

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

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

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?