We are not all equal when it comes to either sickness or medicines treatments prescribed by doctors. Some patients absorb or eliminate active substances quickly, while others do so more slowly. For a ...

A DLS system’s performance depends on the sample. For example, while the upper size limit may be > 5 μm for an emulsion, it could be in the range of < 1 μm for a high density particle, owing to the ...

\(concentration~in~g~dm^{-3}=\frac{mass~of~solute~in~g}{volume~in~dm^{3}}\) The units for concentration are also shown as g/dm 3, but this means the same as g dm-3. 8 g of sodium hydroxide is ...

0.5 mol of sodium hydroxide is dissolved in 2 dm 3 of water. Calculate the concentration of the sodium hydroxide solution formed. Concentration in mol dm-3 = \(\frac{\textup{amount~of~solute~in~mol}}{ ...

At the end of 2021, the Vietnam Metrology Institute reported to the leaders of the General Department of Standards, Metrology and Quality on the purchase and use of standard alcohol gas used for ...