Question

calculate the molecular mass of the following first C2 h5 0h 0h second H2 s o4​

Answer 1

ANSWER :-

MOLECULAR MASS :-

JUST add the individual mass of the elements or atom present in the molecule.

c2н5oн = 12*2 + 5(1) + 16 + 1 = 46 aмυ/gм

н2ѕo4 = 2(1) + 32 + 16*4 = 98 aмυ/gм

тнanĸѕ!

Answer 2

1) atomic mass of C2=2×12=24u

atomic mass of H=1 u

here H are 6 so mass=1×6=6u

atomic mass of O is 16

molecular mass of C2H5OH is

24+6+16=.46u

2) atomic mass of H2 is 2u

atomic mass of S is 32u

atomic mass of O4=4×16=64u

molecular mass of H2SO4 is 2+32+64=98u

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