Analysis of a water sample revealed that the sample contains the following species.\(CO_3^{2 - },\;N{a^ + },\;{H^ + },\;PO_4^3,\;A{l^{3 + }},\;{H_2}C{O_3},\;C{l^2},\;C{a^{2 + }},\;M{g^{2 + }},\;HCO_3^ - ,\;F{e^{2 + }},\;O{H^ - }\)Concentrations of which of the species will be required to compute alkalinity?

\({H^ + },\;{H_2}C{O_3},\;HCO_3^ - ,\;O{H^ - }\)

\(CO_3^{2 - },\;{H^ + },\;HCO_3^ - ,\;O{H^ - }\)

\(CO_3^{2 - },\;{H_2}C{O_3},\;HCO_3^ - ,\;O{H^ - }\)

\(CO_3^{2 - },\;{H^ + },\;{H_2}C{O_3},\;HCO_3^ -\)

Analysis of a water sample revealed that the sample contains the follo

1.	Analysis of a water sample revealed that the sample contains the following species.\(CO_3^{2 - },\;N{a^ + },\;{H^ + },\;PO_4^3,\;A{l^{3 + }},\;{H_2}C{O_3},\;C{l^2},\;C{a^{2 + }},\;M{g^{2 + }},\;HCO_3^ - ,\;F{e^{2 + }},\;O{H^ - }\)Concentrations of which of the species will be required to compute alkalinity?
A.	\(CO_3^{2 - },\;{H^ + },\;HCO_3^ - ,\;O{H^ - }\)
B.	\({H^ + },\;{H_2}C{O_3},\;HCO_3^ - ,\;O{H^ - }\)
C.	\(CO_3^{2 - },\;{H_2}C{O_3},\;HCO_3^ - ,\;O{H^ - }\)
D.	\(CO_3^{2 - },\;{H^ + },\;{H_2}C{O_3},\;HCO_3^ -\)
Answer» B. \({H^ + },\;{H_2}C{O_3},\;HCO_3^ - ,\;O{H^ - }\)

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