5. How many grams of CuCl2 are required to make 75 mL of a 0.20M solution?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?