The molar mass of H?O? is: 34 g/mol 18 g/mol 32 g/mol 36 g/mol ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
In the equation 2H? + O? ? 2H?O, what is the mole ratio of O? to H?O? 2:02 2:01 1:02 1:01 ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
How many oxygen molecules are in 2.24 L of O? at STP? ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
How many liters are occupied by 5.5 mol of gas at STP? 123.2 L 112 L 110 L 101.2 L ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
Number of moles in 112 L of CO? at STP: 2 mol 4 mol 5 mol 10 mol ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
What mass of HCl is required to react with 4 g of NaOH? (Na=23, O=16, H=1, Cl=35.5) 3.65 g 7.3 g 4 g 36.5 g ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
What volume of hydrogen is formed from 4 g of Zn? (Zn + 2HCl ? ZnCl? + H?; Zn=65) 1.38 L 2.76 L 5.52 L 22.4 L ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
How many grams are there in 1 mol of Al?(SO?)?? (Al=27, S=32, O=16) 342 g 270 g 333 g 264 g ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
1 mole of glucose (C?H??O?) contains how many hydrogen atoms? ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
1 mole of Mg reacts with HCl. How many liters of H? gas are formed at STP? (Mg + 2HCl ? MgCl? + H?) 11.2 L 22.4 L 33.6 L 1 L ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
How many grams are there in 2 mol of CH?? (C = 12, H = 1) 14 g 32 g 16 g 28 g ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
For H? + Cl? ? 2HCl, how many liters of HCl are formed from 2 mol of Cl? at STP? 22.4 L 44.8 L 11.2 L 33.6 L ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
Volume of 0.5 mol of gas at STP: 22.4 L 11.2 L 33.6 L 5.6 L ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
1 mole of N? gas occupies: 22.4 m? 22.4 mL 22.4 L 22.4 cm? ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
In the reaction 2Al + 3Cl? ? 2AlCl?, how many mol of Cl? are needed for 4 mol Al? 6 mol 2 mol 3 mol 4 mol ETEA MCQS.COM FUNDAMENTAL CONCEPTS OF CHEMISTRY
