Question

I want all formula for lesson Is matter around us pure9th std . please send me all formula as fast as you can​

Answer 1

Explanation:

HERE IT IS....................

Answer 2

CONCENTRATION OF SOLUTION=

AMOUNT OF SOLUTE/AMOUNT OF SOLUTION [Or]

AMOUNT OF SOLUTE/AMOUNT OF SOLVENT

MASS BY MASS PERCENTAGE

MASS OF SOLUTE/MASS OFSOLUTION * 100

MASS BY VOLUME  PERCENTAGE

MASS OF SOLUTE/VOLUME OF SOLUTION*1OO

VOLUME  BY VOLUME  PERCENTAGE

VOLUME OF SOLUTE/VOLUME OF SOLUTION*100

This is the answer for this question