题目内容

已知Mg(OH)2的Ksp=5.61×10—12,Mg(OH)2溶解度为( )。

A. 1.12×10-4mol·L-1
B. 1.50×10-4mol·L-1
C. 1.20×10-6mol·L-1
D. 2.05×10-4mol·L-1
E. 3.46×10-4mol·L-1

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有一难溶强电解质M3X2，其溶解度为( )。

A. Ksp
B. [Ksp]1/3
C. [Ksp]1/5
D. [(Ksp/22×33)] 1/5
E. [(Ksp/23×32)] 1/5

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Why the children and teacher like songs and rhymes？

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Because they have good melodies.
C. Because they're funny.
D. Because they are usually together with TPR activities.

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Chant is words ( often with rhyme) spoken with rhythm.(以节奏为主的唱说）

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已知Mg(OH)2的Ksp=5.61×10—12,Mg(OH)2溶解度为( )。

A. 1.12×10-4mol·L-1 B. 1.50×10-4mol·L-1 C. 1.20×10-6mol·L-1 D. 2.05×10-4mol·L-1 E. 3.46×10-4mol·L-1

有一难溶强电解质M3X2，其溶解度为( )。

Why the children and teacher like songs and rhymes？

Chant is words ( often with rhyme) spoken with rhythm.(以节奏为主的唱说）

A. 1.12×10-4mol·L-1
B. 1.50×10-4mol·L-1
C. 1.20×10-6mol·L-1
D. 2.05×10-4mol·L-1
E. 3.46×10-4mol·L-1