Calculate the volume of water that would be added to 200cm3 of 0.5mol/dm3 HNO3 TO 0.25mol/dm3.

a police officer and a ambulance

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.