Science

7th -

9thgrade

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酸鹼的濃度1

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11 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    將0.1莫耳的蔗糖配成1公升溶液,則其體積莫耳濃度為多少?

    1 M

    10 M

    0.4 M

    0.1 M

  • 2. Multiple Choice
    30 seconds
    1 pt

    已知HCl的分子量為36.5,試問一瓶一公升、濃度為2 M的鹽酸水溶液中,含有多少公克的HCl?

    3.65

    7.3

    36.5

    73

  • 3. Multiple Choice
    30 seconds
    1 pt

    將7.3公克HCl配製成5公升的水溶液,則其體積莫耳濃度為多少?(Cl=35.5,H=1)

    2 M

    0.4 M

    0.04 M 

    0.002 M

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