99. Select the net ionic equation for the reaction between sodium chloride and mercury(1) nitrate. 2NACI(aq) A) Na (aq) B) Hg"(aq) C) NaCl(aq) D) Hg2(NO3)2(aq) E) Hgz"(aq) Hg:Cl2(s) Hg2(NO3)2(aq) NO3 (aq) 2C1 (aq) Na*(aq) Hg2"(aq) → Hg2(s) NaNO3(aq) NaNO:(aq) Hg2Cl2(s) Cl (aq) 2NO3 (aq) -> -> 2+ -> -> -> 2+ 100. Consider the reaction: 3Co"(aq) + 6NO;"(aq) + 6Na*(aq) + 2PO4 (aq) → Co3(PO4)2(s) + 6Na"(aq) + 6NO3 (aq) Identify the net ionic equation for this reaction. A) Na (aq) + NO; (aq) → NaNO3(aq) B) 3C02"(aq) + NO3 (aq)+ Na*(aq) + 2PO4*(aq)→ Co3(PO4)2(s) + NaNO3(aq) C) 3C02"(aq) + 6NO3 (aq) + 6Na*(aq) + 2PO4(aq) → Co3(PO4)2(s) + 6NANO3(aq) D) 3C02"(aq) + 2PO4* (aq) → Co3(PO4)2(s) E) None of the above is the correct net ionic equation. 101. Copper(II) sulfide, CuS, is used in the development of aniline black dye in textile printing. What is the maximum mass of CuS which can be formed when 38.0 mL of 0.500 M CuC12 are mixed with 42.0 mL of 0.600 M (NH4)2S? Aqueous ammonium chloride is the other product. A) 2.41 g E) 0.044 g D) 0.909 g C) 1.21 g B) 1.82 g 102. An acid A) produces hydroxide ions when dissolved in water. Base B) changes the color of phenolphthalein indicator from colorless to pink. C) donates electrons in an electron transfer reaction. donates protons in a proton transfer reaction. E) does none of the above. 103. A base A) causes phenolphthalein indicator to change from colorless to pink. aud B) donates a proton in a proton transfer reaction. C) accepts electrons in an electron transfer reaction. D) produces hydrogen ions in solution. acids E) does none of the above. 50

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I need help to answer questions 99 to 103.

99. Select the net ionic equation for the reaction between sodium chloride and mercury(1)
nitrate.
2NACI(aq)
A) Na (aq)
B) Hg"(aq)
C) NaCl(aq)
D) Hg2(NO3)2(aq)
E) Hgz"(aq)
Hg:Cl2(s)
Hg2(NO3)2(aq)
NO3 (aq)
2C1 (aq)
Na*(aq)
Hg2"(aq)
→ Hg2(s)
NaNO3(aq)
NaNO:(aq)
Hg2Cl2(s)
Cl (aq)
2NO3 (aq)
->
->
2+
->
->
->
2+
100. Consider the reaction:
3Co"(aq) + 6NO;"(aq) + 6Na*(aq) + 2PO4 (aq) → Co3(PO4)2(s) + 6Na"(aq) +
6NO3 (aq)
Identify the net ionic equation for this reaction.
A) Na (aq) + NO; (aq) → NaNO3(aq)
B) 3C02"(aq) + NO3 (aq)+ Na*(aq) + 2PO4*(aq)→ Co3(PO4)2(s) + NaNO3(aq)
C) 3C02"(aq) + 6NO3 (aq) + 6Na*(aq) + 2PO4(aq) → Co3(PO4)2(s) + 6NANO3(aq)
D) 3C02"(aq) + 2PO4* (aq) → Co3(PO4)2(s)
E) None of the above is the correct net ionic equation.
101. Copper(II) sulfide, CuS, is used in the development of aniline black dye in textile
printing. What is the maximum mass of CuS which can be formed when 38.0 mL of
0.500 M CuC12 are mixed with 42.0 mL of 0.600 M (NH4)2S? Aqueous ammonium
chloride is the other product.
A) 2.41 g
E) 0.044 g
D) 0.909 g
C) 1.21 g
B) 1.82 g
102. An acid
A) produces hydroxide ions when dissolved in water. Base
B) changes the color of phenolphthalein indicator from colorless to pink.
C) donates electrons in an electron transfer reaction.
donates protons in a proton transfer reaction.
E) does none of the above.
103. A base
A) causes phenolphthalein indicator to change from colorless to pink. aud
B) donates a proton in a proton transfer reaction.
C) accepts electrons in an electron transfer reaction.
D) produces hydrogen ions in solution. acids
E) does none of the above.
50
Transcribed Image Text:99. Select the net ionic equation for the reaction between sodium chloride and mercury(1) nitrate. 2NACI(aq) A) Na (aq) B) Hg"(aq) C) NaCl(aq) D) Hg2(NO3)2(aq) E) Hgz"(aq) Hg:Cl2(s) Hg2(NO3)2(aq) NO3 (aq) 2C1 (aq) Na*(aq) Hg2"(aq) → Hg2(s) NaNO3(aq) NaNO:(aq) Hg2Cl2(s) Cl (aq) 2NO3 (aq) -> -> 2+ -> -> -> 2+ 100. Consider the reaction: 3Co"(aq) + 6NO;"(aq) + 6Na*(aq) + 2PO4 (aq) → Co3(PO4)2(s) + 6Na"(aq) + 6NO3 (aq) Identify the net ionic equation for this reaction. A) Na (aq) + NO; (aq) → NaNO3(aq) B) 3C02"(aq) + NO3 (aq)+ Na*(aq) + 2PO4*(aq)→ Co3(PO4)2(s) + NaNO3(aq) C) 3C02"(aq) + 6NO3 (aq) + 6Na*(aq) + 2PO4(aq) → Co3(PO4)2(s) + 6NANO3(aq) D) 3C02"(aq) + 2PO4* (aq) → Co3(PO4)2(s) E) None of the above is the correct net ionic equation. 101. Copper(II) sulfide, CuS, is used in the development of aniline black dye in textile printing. What is the maximum mass of CuS which can be formed when 38.0 mL of 0.500 M CuC12 are mixed with 42.0 mL of 0.600 M (NH4)2S? Aqueous ammonium chloride is the other product. A) 2.41 g E) 0.044 g D) 0.909 g C) 1.21 g B) 1.82 g 102. An acid A) produces hydroxide ions when dissolved in water. Base B) changes the color of phenolphthalein indicator from colorless to pink. C) donates electrons in an electron transfer reaction. donates protons in a proton transfer reaction. E) does none of the above. 103. A base A) causes phenolphthalein indicator to change from colorless to pink. aud B) donates a proton in a proton transfer reaction. C) accepts electrons in an electron transfer reaction. D) produces hydrogen ions in solution. acids E) does none of the above. 50
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