yellowmiki6647
05.11.2020 •
Chemistry
Alkaline metals highly reactive with oxygen are found on a periodic table in Figure 15-1 in group :
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Ответ:
Assuming that the gas is at standard temperature and pressure (STP), one mole of any gas occupies 22.4 L . This means the number of moles of O2 is 222.4=0.089 mol .Explanation: