lucyr3e lucyr3e

10-04-2022
Chemistry

contestada

Calculate the mass of sample of calcium carbonate containing 5.5 x 10^23 atoms

A. 18.29 g
B. 91.44 g
C. 6.02 x 10^23g
D. not enough information

which one is it?? thank you

Respuesta :

LegendBrainly LegendBrainly

10-04-2022

No of moles:-

No of molecules/Avagadro no
5.5×10²³÷6.022×10²³
0.91mol

Now

molar mass:-

CaCO_3
40+12+48
100g/mol

Mass:-

100(0.91)
91g

Option B

Answer Link

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