Question

If the mass of 0. 25 mole of an element Z is 2.25g then mass of one atom of X is about
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Answer 1

Answer:

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suppose , M is mass of one Mole ,

0.25 Mole = 2.25 gm

1 Mole = M ( gm )

M = 2.25 / 0.25

M = 9 gm

_______

6.022 × 10²³ atoms in 1 Mole Z,

6.022 × 10²³ = 9 gm

1 = X ( gm )

X = 9 / 6.022 × 10²³

X ≈ 1.5 / 10²³

Answer 2

Answer:

Question:⤵

If the mass of 0. 25 mole of an element Z is 2.25g then mass of one atom of X is about

Explanation:

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Suppose , M is mass of one Mole ,

0.25 Mole = 2.25 gm

1 Mole = M ( gm )

M = 2.25 / 0.25

M = 9 gm

_______

6.022 × 10²³ atoms in 1 Mole Z,

6.022 × 10²³ = 9 gm

1 = X ( gm )

X = 9 / 6.022 × 10²³

X ≈ 1.5 / 10²³

${\tt{\pink{\underline{\underline{\huge{Hope It helps you :)}}}}}}$