21. Choose the salt(s) that, when dissolved in water, has pH ＜ 7 at 25°C. (A)KCI (B) NH4Cl (C) Fe(NO3)3 (D) NaNO3 (E) NaNO2

21. Choose the salt(s) that, when dissolved in water, has pH ＜ 7 at 25°C.
(A)KCI
(B) NH₄Cl
(C) Fe(NO₃)₃
(D) NaNO₃
(E) NaNO₂

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B1 · 2025/09/21

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1. 題目解析本題要求選擇在水中溶解...

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23. What does Maxwell-Boltzmann distribution of molecular speeds inform? Volume of NaOH added (mL) (A) Through collision with each other, all gas molecules reach the same speed at thermal equilibrium (B) For the same molecule, its root mean square (r.m.s.) speed increases with increasing temperature (C) At the same temperature, lighter molecules would have higher r.m.s. speed (D)P（E）, the probability of a molecule possessing a certain kinetic energy E, always decreases with E (E) Individual gas molecules do not have the same kinetic energy

21. Choose the salt(s) that, when dissolved in water, has pH ＜ 7 at 25°C.
(A)KCI
(B) NH₄Cl
(C) Fe(NO₃)₃
(D) NaNO₃
(E) NaNO₂

詳解 (共 1 筆)

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相關試卷

21. Choose the salt(s) that, when dissolved in water, has pH ＜ 7 at 25°C.(A)KCI(B) NH4Cl(C) Fe(NO3)3(D) NaNO3(E) NaNO2

詳解 (共 1 筆)

相關試題

相關試卷

21. Choose the salt(s) that, when dissolved in water, has pH ＜ 7 at 25°C.
(A)KCI
(B) NH₄Cl
(C) Fe(NO₃)₃
(D) NaNO₃
(E) NaNO₂