a) Calculate the mass of
ir 10 moles of CO2
u) 6.022 x 1024 atoms of oxygen.
b) What are isotopes? Why do isotopes show similar chemical properties?
Answers
Answered by
0
Answer:
140
the compounds which have same mass number but different molecular mass
Answered by
1
Answer:
a. Mass of 1 mole = 12 + 32
= 44g
Mass of 10 moles = 44x 10
= 440 g
b. donno
ur question is wrong
c. Isotope have the same number of protons but different number of neutron in each atom.
They have similar chemical properties because isotope of an element have the sam number of electrons as an atom of that element
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