nH₂=\(\dfrac{V}{22,4}\)=\(\dfrac{6,72}{22,4}=0,3\) mol

PTHH(1): 2Al + 6HCl ------> 2AlCl₃ + 3H₂

_{nAl=\(\dfrac{0,3.2}{3}=0,2mol\)}

mAl=n.M=0,2.27=5,4g

PTHH(2): Mg + 2HCl ------> MgCl₂ + H₂

_{nMg=\(\dfrac{0,3.1}{1}=0,3mol\)}

mMg=n.M=0,3.24=7,2g

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1/We should eat much fruit and vegetables.

2/We should have a balanced diet.

3/They stopped at a fruit stall to buy some mangoes.

4/They go to the market to buy some food.

5/Lan's mother helped her to buy a cucumber.

6/We often have pork for our lunch and dinner.

7/Vegetables are very good for your health.

8/What kind of food would you like for lunch?

9/You must wash the spinach more carefully.

10/I like durians very much and so does my father.