The volume between the 50.00 mL mark and the valve of a buret is 6.19 mL. The buret reading of an upside-down buret containing a pocket of hydrogen gas is 32.17 mL. What is the total volume of hydrogen in the buret?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

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.