DEGREE OF HARDNESS of HARD WATER
& VOLUME STRENGTH of HYDROGEN PEROXIDE
CALCULATION TRICKS
WATER which Contains impurities of calcium or magnesium salts will cause hardness. for easy reference, hardness is expressed in terms of ppm of CaCO3
many students feel difficulties to calculate Hardness of water. to explain in structured manner, in the below PDF we have given selected problems with detailed solutions and TRICKS are given with simple direct relations
To WATCH VIDEO LECTURE on DEGREE of HARDNESS of WATER
PDF of NUMERICALS given at Bottom
hydrogen peroxide being unstable decomposes to give water and oxygen.
depending on volume of oxygen liberated on decomposing sample of hydrogen peroxide, amount hydrogen peroxide leftover can be calculated. for such cases number volume method or volume strength is specially used for Hydrogen peroxide .
To WATCH VIDEO LECTURE on HYDROGEN PEROXIDE CONCENTRATION TERMS
PDF of NUMERICALS given at Bottom
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To Download Above PDF
solving tricks for Degree of Hardness and Concentration Methods of H2O2
Shortcuts to
Percentage Concentration to Volume strength of H2O2
Molarity to Volume strength of H2O2
Normally to Volume strength of H2O2
are given in below PDF
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