Question

( V )
molar mass of ( c 0,=449 ) lmol
Amount of ( cos ) taken ( =200 mathrm{mg} )
[
begin{array}{l}
text { int } begin{array}{c}
0+cdots+frac{0 cdot 29}{44} g ln 0
=4 cdot 55 times 10^{3} mathrm{m} 01
end{array}
end{array}
]
Number of molecules of ( mathrm{CO}_{2} ) remored

# mun wie weight of 6.022 x 10- molecules of CaCO3. 19. From 200 mg of CO2, 10- molecules are removed. How many moles of CO2 are left? 1 Calculate the number of oxygen atoms and its weight in an anno

Solution