What mass of NaOH must be added to the solution to increase the concentration to 30.00% by mass?

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

How many significant figures are in the following numbers ? a. 0.0002030 b. 2.000 c. 2.008900 d. 145.00

Silver is a white metal that is an excellent conductor. silver tarnishes when exposed to air and light. the density of silver is 10.49 g/cm3. the melting point is 962oc and the boiling point is 2000oc. a chemical property of silver is