What is the pressure (in torr) inside a 7.5 liter flask at 26°C and 26.7 grams of oxygen gas (O2)?

What is the number of moles in 15.0 g ash3?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community