Soures of error in weight measurement expect

Tools used Titration and filtrates be measured volume not accurate

Mortar and pestle used

Important things to take care of the balance used expect

Mechanical balance expect

Metric system include all the following ? units EXCEPT

The amount of water in the solution method is

Peppermint water used expect

ROSE Water, hamamelis, camphor Prepare it in a way

Chloroform water used expect

Concentration aromatic water weaker than ordinary aromatic water

Prepared choloform by solution method

Rx Glucose 10 %
NaCl 5ml
KCI 2 % D.W. q.s 20ml

Which of the following is the amount of 20 % w / w benzocaine ointment required to be added to a suitable ointment base to prepare 5 kg of a 2.5 % w / w benzocaine ointment ?

If 15 mL of a 1.0 % potassium permanganate solution were diluted with 10 mL of water , what would be the final drug concentration??

How much 90 % alcohol is required to compound 500 mL of a 10 % alcohol mixture?

How many milliliters of a 1:16 potassium permanganate solution should be used in preparing 5.0 L of a 0.5 % solution to be used as antiseptic ?

q.s.2.h meaning

S.i.g meaning

P.c

Distributing cuase surface area solvent decrease but solubility increases