@Techpuffin hi mate check this link out as i beleive it will solve your question https://science.wonderhowto.com/how-to/do-yeast-experiment-see-much-c02-produces-353881/
https://undergradsciencejournals.okstate.edu/index.php/JUBLI/article/download/8728/1869
It says 10 ml of yeast and 10 ml of sugar will produce between 1100 ppm to 1200 ppm of co2