1. J

    How to calculate amount by weight, of a powder in a liquid

    I need to add .2% of a flavor powder to an amount of milk. How would I calculate the amount, in grams, of the flavor powder that would be required to go into 8oz of milk. Thank you.
  2. N

    adding weight to acetic acid

    Hello, i am fairly new to this and in need of expert advice i am creating a product for my industry which is made up of 5% acetic acid and 95% water so basically vinegar, but the application is through spray nozzles and due to the low viscosity of the solution it travels to far during the spray...
  3. S

    Different compound name with same molecular weight and molecular formula

    Hello all This is Shefin. I do research in Biotechnology. I presently focussed on the phytochemical details from plants. Here I came across the fact that most plants contains different compounds having the same molecular formula and molecular weight. Why is it so? and What is it called? what...
  4. J

    What is the weight percent in Ti(CO3)2

    I know correct answer is 14.3% and the molar mass is 167.88. But how do you get that. Please help.
  5. C

    Weight percent estimate

    Can anyone walk through the steps of figuring out weight percent of an element ....I added 25g of BaF2 to water then vacuum filtered with paper but assume some Barium was lost through the filter paper...I submit for ICP analysis a small sample of the solution leftover and get back the result of...
  6. A

    Equivalent Weight of a Base...need help please..

    What is the equivalent weight of a base if 0.2131 g required 43.71 mL of 0.0132 N acid? Sorry I have no idea on how to answer this one. Please include step-by-step solution.Thank you so much.
  7. A

    Preparing a Methylene Blue solution. Need MB Equivalent Weight.

    Hello, I need to prepare a Methylene Blue solution (1ml = 0.01 meq), or 0.01N, from powder. To calculate the amount of powder required I need the Methylene Blue's equivalent weight or equivalent numbers, but haven't been able to find it so far. Does anyone know? Help appreciated.
  8. B

    Oxidation / Weight Question

    Hello everyone, I have a question on how to calculate weight of a substance after a reaction. Here is an example that I'm trying to work out: Two cells are connected in series, the first of which contains Ag^+ that is reduced to Ag, the second of which is Zn that is oxidized to Zn^2+. Assume...