1) One mole of ozone, O3, has 1.8 x 1024 atoms. A) True B) False 2) 21.2g KBr is
ID: 842195 • Letter: 1
Question
1) One mole of ozone, O3, has 1.8 x 1024 atoms.
A) True
B) False
2) 21.2g KBr is equal to 0.178 moles.
A) True
B) False
3) In Ca3(PO4)2 there are three calcium atoms for every two phosphorus atoms.
A) True
B) False
4) In Ca3(PO4)2 there are two phosphate ions for every three calcium ions.
A) True
B) False
5) In C12H24O6 there is one oxygen atom for every three atoms.
A) True
B) False
6) (NH4)4Fe(CNO)6 has 36 atoms per formula unit.
A) True
B) False
7) 18 g of water have the same number of atoms as 48 g of ozone, O3.
A) True
B) False
Explanation / Answer
1) One mole of ozone, O3, has 1.8 x 1024 atoms.
B) False
2) 21.2g KBr is equal to 0.178 moles.
A) True
3) In Ca3(PO4)2 there are three calcium atoms for every two phosphorus atoms.
A) True
4) In Ca3(PO4)2 there are two phosphate ions for every three calcium ions.
A) True
5) In C12H24O6 there is one oxygen atom for every three atoms.
B) False
6) (NH4)4Fe(CNO)6 has 36 atoms per formula unit.
B) False
7) 18 g of water have the same number of atoms as 48 g of ozone, O3.
A) True
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.