Show calculations for making 1X TAE gel running buffer and 1.25% agarose gel for your experiment.

In a dissolution experiment of Nurofen 200mg/tablet and bupromax 400mg/tablet, 1 tablet each from the two brands i. e Nurofen 200mg and bupromax 400mg were placed in vessels containing 1 litter phosphate buffer, 5ml of the buffer aliquot was withdrawn from each of the vessels at 10 minutes and the UV absorbance of Nurofen 200mg was taken to be 0.234 and absorbance for bupromax was 0.456. A 300ppm of standard was prepared with aborbance of 1.866. What is the % dissolution of Nurofen 200mg and bupromax 400mg at 10minutes?

Pls help ASAP. Pls show all work and calculations.

You prepare a buffer solution from 10.0 mL of 0.100 M (3-morpholinopropane-1-sulfonic acid) and 10.0 mL MOPS of 0.089 M NaOH. Next, you add 1.00 mL of 6.13 x 10-5 M lidocaine to this mixture. Denoting lidocaine as L, calculate the fraction of lidocaine present in the form LH+. .545 fraction as LH+ = Incorrect MOPS K₁ = 6.3 x 10-8 CH3 NH arc CH3 Lidocaine Kb = 8.7 x 10-7

A weak acid (HA) with a pKa of 4.0 has a distribution constant of 5.2 between an organic and aqueous phase. Calculate the fraction of HA in the organic phase at pH 2 and 6 when HA is extracted from 50 mL of aqueous buffer into 10 mL of the organic solvent.