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STOICHIOMETRY (2)

Quiz by Aji Budiyanto

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11 questions
Show answers
  • Q1
    2 moles of hydrogen reacts to oxygen to produce water (reaction: 2H2 + O2 --> 2H2O) what is the mole of Oxygen needed for completing the reaction
    2 moles
    1 mole
    0.2 moles
    0.1 moles
    60s
  • Q2
    4 moles of hydrogen reacts to oxygen to produce water (reaction: 2H2 + O2 --> 2H2O) what is the mass of water produced in the reaction? (Mr H2O = 18 gr/mole)
    18 grams
    72 grams
    32 grams
    36 grams
    60s
  • Q3
    2 grams of hydrogen reacts to oxygen to produce water (reaction: 2H2 + O2 --> 2H2O) what is the volume of oxygen produced at RTP? (Mr H2O = 18 gr/mole)
    48 liters
    22.4 liters
    44.8 liters
    24 liters
    60s
  • Q4
    6 moles of hydrogen reacts to Nitrogen to produce ammonia (reaction: 3H2 + N2 --> 2NH3) what is the mass of nitrogen needed in the reaction? (Ar N2 = 28 grams/mole; Mr NH3 = 17 grams/mole)
    34 grams
    56 grams
    28 grams
    17 grams
    60s
  • Q5
    36 liters of hydrogen reacts to Nitrogen to produce ammonia (reaction: 3H2 + N2 --> 2NH3) what is the volume of NH3 produced at RTP? (Ar N2 = 18 grams/mole; Mr NH3 = 17 grams/mole)
    24 liters
    12 liters
    72 liters
    48 liters
    60s
  • Q6
    36 liters of hydrogen reacts to Nitrogen to produce ammonia (reaction: 3H2 + N2 --> 2NH3) what is the mass of nitrogen needed at RTP? (Ar N2 = 28 grams/mole; Mr NH3 = 17 grams/mole)
    21 grams
    7 grams
    28 grams
    14 grams
    60s
  • Q7
    H2 + Cl2 --> 2 HCl, if in that reaction 2 grams of hydrogen are needed in the reaction what is the mass of HCl produced? (Mr HCl = 36.5)
    3.65 grams
    7.3 grams
    36.5 grams
    73 grams
    60s
  • Q8
    H2 + Cl2 --> 2 HCl, if in that reaction 2 moles of hydrogen are needed in the reaction what is the volume of Cl2 needed at STP? (MrCl2 = 35.5; HCl = 36.5)
    48 liters
    44.8 liters
    24 liters
    22.4 liters
    60s
  • Q9
    H2 + Cl2 --> 2 HCl, if in that reaction 24 liters of hydrogen are needed in the reaction what is the volume of HCl produced at RTP? (MrCl2 = 35.5; HCl = 36.5)
    24 liters
    22.4 liters
    44.8 liters
    48 liters
    60s
  • Q10
    20 grams NaOH reacts to 2 liters of HCl to produce NaCl and water as : NaOH + HCl --> NaCl + H2O, what is the molarity of NaCl? (Mr NaOH = 40, NaCl =58.5, HCl = 36.5, H2O = 18 gr/mole)
    0.25 M
    0.5 M
    2 M
    1 M
    60s
  • Q11
    4 grams NaOH reacts to HCl to produce NaCl and water as : NaOH + HCl --> NaCl + H2O, what is the mass of NaCl? (Mr NaOH = 40, NaCl =58.5, HCl = 36.5, H2O = 18 gr/mole)
    5.85 grams
    2.925 grams
    29.25 grams
    0.585 grams
    60s

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