GATE CE 2017 Set 2 — Question 53

NAT+2 / -0MediumpH, Turbidity, Hardness & AlkalinityWater QualityEnvironmental Engineering

Environmental Engineering → Water Quality → pH, Turbidity, Hardness & Alkalinity

Last updated 5 September 2026

Question

\text{Ca}^{2+}

Ion	milligram per milli-equivalent for the ion	Concentration (mg/L)
$\text{Ca}^{2+}$	20.0	60
$\text{Mg}^{2+}$	12.2	36.6
$\text{Na}^+$	23.0	92
$\text{K}^+$	39.1	78.2
$\text{Cl}^-$	35.5	71
$\text{SO}_4^{2-}$	48.0	72
$\text{HCO}_3^-$	61.0	122

\text{Ca}^{2+}

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\text{Ca}^{2+}

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