Question: 1a) which anion will make a precipitate with Ca2+? A) Cl- B) SO4^2- C) C2H3O2- D)Br- 1b) water contains (8.00x10^24) hydrogen atoms, how many moles

1a) which anion will make a precipitate with Ca2+? A) Cl- B) SO4^2- C) C2H3O2- D)Br-

1b) water contains (8.00x10^24) hydrogen atoms, how many moles of H2O are present ?

1c) How do you find spector ions in Net ionic equations? for instance H2SO4(aq) + NaOH(aq) -> NaHSO4(aq) + H2O(l)?

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