Whats the mass of a 1.25l sample of liquid that has a density of 0.921g/ml?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

The following questions a24 - a26 relate to 100 ml of 0.0150 m solution of benzoic acid (c6h3cooh). ka(c6h3cooh) = 6.4 x 10^-5. what is the ph of the solution after the addition of 1 x 10^-3 moles of naoh? you may assume no volume change to the solution upon addition of the naoh.