Fozilova Sadoqat Ibrohim qizi Kimyodan masalalar yechish fanidan Mustaqil ta`limi

16-masala. 2. 4 mol xlor mol molekulasining massasini toping.
2,4 mol----------x=170,4
1 mol------------71
17-masala. 128 g misning modda miqdorini toping.
128---------x=2 mol
64----------1mol
18-masala.120 g grafitdagi uglerodning modda miqdorini toping.
120------------x=10 mol
12-------------1 mol
19-masala.17 g natriy nitratning modda miqdorini toping.
17----------------x=0,2mol
85----------------1mol
20-masala.120,2 g kaliy fosfatning modda miqdorini toping.
120,2----------------x=0,56mol
212-----------------1mol
21-masala. Misning nisbiy atom massasi 64 ga teng. Bir atom misning grammlar
hisobidagi miqdorini aniqlang.
64gr---------1 mol
22-masala.Natriyning nisbiy atom massasi 23 ga teng. Bir atom natriyning
grammlar hisobidagi massasini aniqlang.
23gr------------1mol
23-masala. 12 gr Mg necha mol?
12----------x=0,5 mol
24-----------1mol
24-masala. 0,5 mol Mg da qancha atom bor?
0,5---------------x=3,01*10²³
1 mol------------6,02*10²³
25-masala. 2 gr vodorod necha mol?
2gr--------------1mol