If you have 300 mL of 1.5 M NaCl stock solution, how many mL of 0.25 M NaCl can you make?

How are isotopes of the same element alike?

Who determined the nature of chemical bonds?

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