3.5ml of sodium hydroxide solution with c(NaOH)=0.052 mol/l is used for titration of gastric juice in the presence of phenolphtalein . Calculate total acidity of gastric juice and evaluate the result obtained.

What is the density of the black hole

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.