The concentration of pollutant in `ppm (w//w)`. That has been measured at `450mg` per `150kg` of sample is

The concentration of pollutant in ppm (w/w). that has been measured at 450 mg per 150 kg of sample is :

Assertion: The concentration of pollutants in water or atmosphere is often expressed in terms of ppm Reason :Concentration in parts per million can be expressed as mass to mass, volume of volume and mass to volume .

Assertion: The concentration of pollutants in water or atmosphere is often expressed in terms of ppm Reason :Concentration in parts per million can be expressed as mass to mass, volume of volume and mass to volume .

The concentration of H_2O_2 sample in % w//v which is labelled as '10V' H_2O_2 is ________

Diffine the following mofes of expressing the concentration of a solution? Which of which of these modes are independent of temperature and why ? {:((a),w//w("mass percentage"),(b),V//V("volume percentage")),((c),w//V("mass by volume percentage"),(d),"ppm" ("part per million")),((e),X("mole fraction"),(f),M("molarity")),((g),m("molality"),,):}

What is the concentration in ppm, of a solution containing 50mg of Hg per litre?

To convert a voltmeter measuring 15 V into a voltmeter measuring 150V, if the resistance of the voltmeter is 1000 Omega , the resistance to be connected is