Forums Science Assignment Help Chemistry If one atomic mass unit is equal to 1.6606E-24 g, what is the mass in grams of 53723 atoms of Fe?

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Student

If one atomic mass unit is equal to 1.6606E-24 g, what is the mass in grams of 53723 atoms of Fe? (Without using moles)

Call accepted by operator Peter. Currently in room: Christina, Peter.

Tutor

hi

Student

hi.

Tutor

well u can think like this

Tutor

one atom weight would be how much

Tutor

of Fe

Tutor

see atomic mass of Fe in PT

Student

55.91 ish

Tutor

ok

Student

more like 55.85

Tutor

then u know one atom will ne 55.85 amu ( atomic mass unit )

Student

okay

Tutor

and u know the weight of one amu

Tutor

so one atom weight will be 55.91x 1.6606E-24 gm

Tutor

so 53723 atom

Tutor

will be

Tutor

how much

Tutor

?

Tutor

53723 x 55.91x 1.6606E-24 gm

Student

4.99E-18 g

Student

?

Tutor

u can mulitply

Tutor

something u should do urself, so that you should learn how to do claculation

#10542

hi tutor, hmm nicely explain? b/w are you tutor in here cuz I am also trying to become active member and I can answer all question in physical chemistry including mole concept too.

thanks

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