Thực hiện chuỗi phản ứng sau (ghi rõ điều kiện, nếu Bài 1. Na

NaOH

→ NaAlO₂

có):

Al(OH)3

Bài 2. ALO,

AICI; → AI(NO3)3 →Al₂O₁ → NaAlO₂

Bài 3. FeyOa

Fe

→FeCl₂

→ Fe(OH)₂

→ Fe(OH)₁

Bãi 4. Cu(NOs) mà

Cu(OH)2 CuO

→ Cu

→ Cu(NO3)2

2. how is heavy water different from normal water

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots