Saturday Night I did my first all grain brew. I used the cooler I just retrofited with a ball vaulve and did a batch sparge. Since this was my first all grain and my first lager. I had made a 2 litre starter on wednesday and put in the fridge friday morning. The brew session went great with no major problems. I did looses a bit more temp in my mash tun than I would have liked but not to bad. I had hoped to end up with about 5.5 gallons in the fermenter and had 5 gallons so not bad for a first...

Waynep005

Sugar's volume relates to the space it takes up, not to how many molecules it has. Sugar's volume in aqueous solution is nearly zero.

The fermentation reaction is this:
C12H22O11 +H2O + invertase →2 C6H12O6
C6H12O6 + Zymase → 2C2H5OH + 2CO2
[Wikipedia]

Which is to say, for every equivalent molecular number of glucose molecules, yeast create two molecules of ethanol and two molecules of CO2. That is only the approximate conversion rate...

Justibone