Chemistry, 12.09.2021 02:40 only1cache
16. Using 100 mL of 25% solution, prepare 150 mL of 8% solution.
a) what volume should you take from the stock solution?
b) how much water will you need to add?
Answers: 1
Chemistry, 23.06.2019 02:50
What is the typical rotational frequency frot for a molecule like n2 at room temperature (25∘c)? assume that d for this molecule is 1å=10−10m. take the total mass of an n2 molecule to be mn2=4.65×10−26kg. you will need to account for rotations around two axes (not just one) to find the correct frequency. express frot numerically in hertz, to three significant figures.
Answers: 3
16. Using 100 mL of 25% solution, prepare 150 mL of 8% solution.
a) what volume should you take fr...
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