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Suppose the elements X and Y combine to ...

Suppose the elements X and Y combine to form two compounds of `XY_(2) and X_(3)Y_(2)`. When 0.1 mole of `XY_(2)` weighs 10 g and 0.05 mole of `X_(3)Y_(2)` weighs 9 g , what are tha atomic masses of X and Y ?

A

40, 30

B

60.4

C

20, 30

D

30, 20

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A
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Knowledge Check

  • Suppose the elements X and Y combine to form two compounds XY_(2) and X_(3)Y_(2) . When 0.1 mole of XY_(2) weights 10 g and 0.05 mole of X_(3)Y_(2) weights 9 g, the atomic weight of X and Y are

    A
    30, 20
    B
    40, 30
    C
    60, 40
    D
    20, 30

  • Suppose two elements X and Y combines to form two compounds XY_(2) and X_(3)Y_(2) . When 0.1 mol of XY_(2) weighs 10 g and 0.05 mol of X_(3)Y_(2) weighs 9 g, the atomic weights of X and Y are

    A
    40, 30
    B
    60, 40
    C
    20, 30
    D
    30, 20

  • Suppose the elements X and Y combine to form two compounds XY_2 and X_3 Y_2 When 0.1 mole of XY_2 weighs 10 g and 0.05 mole of X_3 Y_2 weighs 9 g, the atomic weights of X and Y are

    A
    40,30
    B
    60,40
    C
    20,30
    D
    30,20
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