User:Sarah Burkhard/Notebook/CHEM 481 Polymers/2017/03/24: Difference between revisions
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==Objectives== | ==Objectives== | ||
* weigh beads and prepare acid batches for 10 % beads | * weigh beads and prepare acid batches for 10 % beads | ||
==Make 30 ml HCl solution for pH 3 == | |||
3 ml 1 M Hcl + 27 ml water | |||
1 M HcL via V1 = M2V2/M1 = (1 mol/L * 0.003 L) / 12.1 M | |||
use 248 uL HCl, fill up to 3 mL solution | |||
molarity of concentrated acid: 37 weight percent, meaning 37 g HCL in 100 g acid . | |||
molar mass HCL: 36.46 g/mol | |||
density: 1178.9 g / L | |||
Revision as of 10:42, 24 March 2017
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Objectives
Make 30 ml HCl solution for pH 33 ml 1 M Hcl + 27 ml water 1 M HcL via V1 = M2V2/M1 = (1 mol/L * 0.003 L) / 12.1 M use 248 uL HCl, fill up to 3 mL solution molarity of concentrated acid: 37 weight percent, meaning 37 g HCL in 100 g acid . molar mass HCL: 36.46 g/mol density: 1178.9 g / L
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