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Which ion, A, B, C, or D, has a +2 charge?
1
2
3
4
Which list of coefficients will balance the chemical equation
AlBr3 + K2SO4 ---> KBr + Al2(SO4)3?
2, 4, 6, 8
2, 3, 6, 1
1, 1, 1, 1
1, 6, 3, 2
What is the correct formula for iron (III) oxide?
Fe2O
FeO2
Fe2O3
FeO
Which expression is correct for converting 28.35 g of NaCl to molecules?
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