Determine whether the stopcock should be completely open, partially open, or completely closed for each activity involved with titration. Close to the calculated equivalence point of a titration Choose... Filling the burette with titrant Choose... At the beginning of a titration Choose... Conditioning the burette with titrant Choose...

Which of the following did you identify correctly

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source:

Catalysts and intermediateshope i

Moles = mass/molar mass by this formula 458/207+32 you should get your answer the ans. is 1.916 mol to 4 sig. fig.