What mass of ethylene glycol, when mixed with 225gH20 will reduce equilibrium, vapor pressure of H20 from 1 atm to 2atm at 100c? Chemistry What mass of ethylene glycol, when mixed with 225gH20 will reduce equilibrium, vapor pressure of H20 from 1 atm to 2atm at 100c? Answer: 194g Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+