Question

Write the formula and names of compounds formed by

(a) Na+

and HCO–

3

(b) K+

and 2 CO3

(c) Cu2+ and 2 SO4

(d) Cu2+ and O2–​

Answer 1

Answer:

Write the formulas of the compounds formed by Pb4+ with the following anions: CN−, ClO3−, SO42−, H2PO4−.

CHEMISTRY

Write formulas for the compounds that form from In and each of the following polyatomic ion: NO−3, SO2−4, PO3−4. (Assume In charge is 3+.) InNo9, InSO6, AND InP4 is wrong

Science

Given the reaction at equilibrium: BaSO4(s) ↔ Ba2+(aq) + SO42–(aq) BaSO4 Ba2+. + SO42- The concentration of SO42– ions can be decreased by the addition of A) BaSO4(s) B) BaCl2(s) C) Na2SO4(s) D) NaNO3(s)

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Answer 2

Answer:

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