1 Calculate the percentage composition of chromium in
potassium dichromate, K2Cr2O7
Answers
Answered by
2
Step-by-step explanation:
k2cr2o7 =294.185 grams
CR2=52×2= 104 grams
percentage composition. =(104/294.185)×100
= 35.34 percent
Answered by
3
Step-by-step explanation:
MOLAR MASS OF K2Cr2O7 = 39×2 + 52×2 + 16×7
=294
MASS OF CHROMIUM IN COMPOUND IS 52×2=104
% COMPOSITION OF CHROMIUM
=104/294×100
=0.35×100
=35 %
percentage composition of chromium in
potassium dichromate is 35 %.
Similar questions