You need to make 200mL of a 15% NaOH, 1M Tris-HCl working solution. Luckily you have lab stock solutions available including 40% NaOH solution and a 4M Tris-HCl solution. Write out your math for making the working solution and don't forget to tell us how much water to add to bring up the solution to 200mL.

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Making of 15 NAOH solubion foom 4oy NaoH sto ck solution We assieme that ... View the full answer