SINDH MDCAT 2018 Chemistry#Molarity#Stoichiometry321Choose the best answer106 grams of Na₂CO₃ per dm³ of solution of Na₂CO₃ in water, the concentration of the solution will be: (Sindh MDCAT 2018)A1NB0.1MC1MD0.02M Like 7 Discuss 0Share1
Stoichiometry Stoichiometry MCQS#Atomic Mass Comparison322Choose the best answerAn atom of X has mass 2 u and an atom of Y has mass 16 u. Which statement is correct?AOne atom of Y is 8 times heavier than one atom of XBOne mole of Y is 8 times heavier than one mole of XCBoth A and BDNeither A nor B Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Limiting Reagent#Stoichiometry323Choose the best answer50g of Mg is burnt with 32g of oxygen to form MgO, amount of excess reagent left is? (IBA MDCAT 2025)A6g MgB2g MgC8g O₂D16g O₂ Like 0 Discuss 0Share
StoichiometryMass–Mole Stoichiometry324Choose the best answer12 g Mg reacts completely with excess acid: Mg + 2H⁺ → Mg²⁺ + H₂ Approximately how many moles of H₂ are produced?A1 molB0.5 molC2/3 molDNone of these Like 0 Discuss 0Share
StoichiometryMole Conversions325Choose the best answerMatch Column I with Column II. Column I: P) 88 g CO₂ Q) 6.022 × 10²³ H₂O molecules R) 5.6 dm³ O₂ at STP S) 96 g O₂ Column II: 1) 0.25 mol 2) 2 mol 3) 3 mol 4) 1 molAP-2, Q-4, R-1, S-3BP-1, Q-2, R-3, S-4CP-1, Q-4, R-3, S-2DP-4, Q-1, R-3, S-2 Like 0 Discuss 0Share