how much tween 20 and TBS do instructor use to make 2liter of 0.05% tween 20 TBS buffer if they have 50ml 100% tween 20 and 1 liter

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph

What methods could you use to solubilize calcium carbonate

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.