Is used as an analogue extension for the internal telephone system (PABX). Built-in codelock with four codes. CCTV control and switch. Opening time: 01-99 secs programmable from keypad. (can be ...

The units for concentration can also be shown as g dm-3, but this means the same as g/dm 3. 8 g of sodium hydroxide is dissolved in 2 dm 3 of water. Calculate the concentration of the sodium ...