The reaction of 5.40 g of carbon with excess o2 yields 13.6 g of co2. what is the percent yield of this reaction?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

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.