Write the formula, substitute and solve to the nearest tenth. 1. What is the density if the mass is 200g and the volume is 20cm3?
2. What is the mass when the density is 15g/cm3 and the volume is 5cm3?
3. What is the volume when the density is 5g/cm3 and the mass is 75g?

Lewis structure and molecular geometry for nh2cl

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.