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) 485 345 350 140 485 345 350 140 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its Bubble point Saturation temperature Both B and C Dew point Bubble point Saturation temperature Both B and C Dew point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1m³ is approximately equal to 4.5 litres 35 ft³ 4.5 ft³ 28 litres 4.5 litres 35 ft³ 4.5 ft³ 28 litres ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, represented by Na₂CO₃ + HC₁ → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is 106 10.6 5.3 53 106 10.6 5.3 53 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a chemical process, the recycle stream is purged for Increasing the product yield Limiting the inerts Heat conservation Enriching the product Increasing the product yield Limiting the inerts Heat conservation Enriching the product ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong conversion formula for the conversion of weight units : None of these 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton None of these 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton ANSWER DOWNLOAD EXAMIANS APP
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