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Cr₄(P₂O₇)₃
Cr: 4 x 51.996 = 207.984
P: 6 x 30.97 = 185.82
O: 21 x 16 = 336
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729.804 g/mol
The molar mass of Cr₄(P₂O₇)₃ is 729.804 g/mol.
Hope this helps!
Answer:
1.AD
2.BC
Explanation:
For aluminum phosphate AlPO4 (s) <------> Al^3+(aq) + PO4^3-(aq)
Ksp= [Al^3+] [PO4^3-]
For magnesium hydroxide
Mg(OH)2(s) <--------> Mg^2+(aq) +. 2OH^-(aq)
Ksp= [Mg2+] [2OH^-]^2
For
Air is matter bc it is a gas
Answer:
Groups
Explanation:
Elements with the same number of valence electrons are found in the same column(group) of the Periodic Table.
