The map above show the argument of earths continents and oceans 65 million years ago and at present each maps

What is the independent variable in this investigation? mass volume sample number substance density

What is the value of keq for the reaction expressed in scientific notation?

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.