How could you test your hypothesis? Find the total mass of the water and the dry pasta, then cook the pasta and measure the mass of the cooked pasta and the water in which it is being cooked. Find the mass of the dry pasta, then cook the pasta, drain it, and find the mass of the cooked pasta.

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.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Which proportionality applies to avogadro’s law?