part

  1. P

    This area is not part of wildernees

    Thanks so much to your input! Thanks to everyone who sent in their suggestions! To add a comment, visit the NSI Forum (in English). And waiting for merger and store loyalty program Solomon: This will take a little longer but not procupen will not be long, and you do not worry, this happens only...
  2. P

    2 part chemistry question on buffers

    hi all just two quick questions that i'm stuck on: 1. A buffer solution is made up of phosphoric acid Ka1 = 7.5 x 10-3 , and its sodium salt. Calculate the mass of salt that would need to be added to 1 dm3 of 0.26 M acid in order to prepare a buffer of pH = 2.04. If a 400 cm3 portion of the...