Заполни пропуски

Посчитай, сколько атомов каждого элемента содержится в формуле:

1. \(\mathrm{H\_3PO\_4}\) :

   \(\mathrm{H}\) — [ ], \(\mathrm{P}\) — [ ], \(\mathrm{O}\) — [ ].

2. \(\mathrm{H\_2ZnO\_2}\) :

   \(\mathrm{H}\) — [ ], \(\mathrm{Zn}\) — [ ], \(\mathrm{O}\) — [ ].

3. \(\mathrm{C\_6H\_{12}O\_6}\) :

   \(\mathrm{C}\) — [ ], \(\mathrm{H}\) — [ ], \(\mathrm{O}\) — [ ].

4. \(\mathrm{CH\_3COOH}\) :

   \(\mathrm{C}\) — [ ], \(\mathrm{H}\) — [ ], \(\mathrm{O}\) — [ ].

5. \(\mathrm{PH\_3}\) :

   \(\mathrm{P}\) — [ ], \(\mathrm{H}\) — [ ].

6. \(\mathrm{Cl\_2O\_7}\) :

   \(\mathrm{Cl}\) — [ ], \(\mathrm{O}\) — [ ].

7. \(\mathrm{PbO}\) :

   \(\mathrm{Pb}\) — [ ], \(\mathrm{O}\) — [ ].