A) Tính số mol của 3,1 lít khí CO ( ở đkc) b) tính số mol HCL có trong 300g dung dịch HCL 20%

c) tính số mol H2SO4 có trong 100ml dung dịch H2SO4 0.3M

me from viet nam

Describe the interaction that occurs between two objects with the same electrical charge.

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm