Answer:
beryllium is the answer.
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Answer:
0.245 moles
Explanation:
moles of lithium = 2*moles of Li2SO4
so moles of LI2SO4=2.94*10^23/(2*6*10^23)=0.245
1.formular masses
2. molecular masses
3.energy and volume
4.density
Carbon atomic number from above= 6