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Chemist98

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Everything posted by Chemist98

  1. Was yoour answer 0.02421875 mol/l s? Just want to make sure Im on the right track
  2. Sorry my mistake:) Is it msubstance = C% / msolution x100%?
  3. Would it be: msubstance = C% / msubstance + m solvent x100%?
  4. C%w/w = msubstance / msubstance + msolvent x 100% What is the formula to solve for msubstance?
  5. The reaction is: Volume of 6% H2O2 (mL):8.0 Volume of distilled water (mL):2.0 Volume of 1.0 M NaI (mL):10.0 Volume of distilled water (mL):0.0 O2 production in 60 s (mL):93.0 Question: Calculate the change in hydrogen peroxide concentration per second. This is the rate. (Hint: What volume of liquid does the hydrogen peroxide now occupy?). How would I do this?
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