Un comprimé de vitamine c contenant 500mg de vitamine c est dissous pour préparer 500,0 ml de solution aqueuse. on note s1 la solution obtenue. on souhaite diluer cinq fois la solution s1 afin de préparer une solution diluée notée s2

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

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How many grams of sodium chloride are in 250ml of a 2.5m naci solution