fzwarrior Posted January 22, 2011 Share Posted January 22, 2011 I am attempting to use the Henderson Hasselbalch equation to calculate the pH of blood with a pCO2 of 41mmHg and a bicarb concentration of 20mM. I know how to do this problem but was not sure if I needed to convert mmHg to mM in order for the equation to work. I have been looking for conversion factors to do so but have been unsuccessful. Any suggestions are appreciated. Thanks. Link to comment Share on other sites More sharing options...
Fuzzwood Posted January 22, 2011 Share Posted January 22, 2011 You would normally do this by using the ideal gas law. Link to comment Share on other sites More sharing options...
fzwarrior Posted January 23, 2011 Author Share Posted January 23, 2011 I did some more searching and it looks like you multiply the pCO2 concentration by .03 for some reason. Link to comment Share on other sites More sharing options...
alpha2cen Posted January 24, 2011 Share Posted January 24, 2011 (edited) Search google or PubMed site. It's good to use graph or empirical equation, do not make your own conversion factor. Combined solution solubility is not easy. Use graph or empirical equation. Edited January 24, 2011 by alpha2cen Link to comment Share on other sites More sharing options...
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