Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 485 350 345 140 485 350 345 140 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 60.3 720 180 200 60.3 720 180 200 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry S.T.P. corresponds to 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal gas, the compressibility factor Is unity at all temperature Zero Is unity at Boyle's temperature Decreases with pressure rise Is unity at all temperature Zero Is unity at Boyle's temperature Decreases with pressure rise ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a neutral solution H⁺ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent None of these H⁺ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Viscosity of atmospheric air may be about __________ centipoise. 1.5 150 0.015 15 1.5 150 0.015 15 ANSWER DOWNLOAD EXAMIANS APP
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