TEMA: "Tankis ir masės dalis"
Įrašyk visus praleistus žodžius ir skaičius, ir paspausk „Tikrinti“, pamatysi darbo įvertinimą.
Junginys
Simbolis
Atomų skaičius
Ar (elemento)
Mr (junginio)
w % (elemento)
N
2
O
5
N
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
14
16
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
SO
3
S
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
1
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
32
16
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
C
2
H
5
C
H
2
5
12
1
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
Fe
2
O
3
Fe
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
16
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
H
2
CO
3
H
C
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
1
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
1
12
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
19,3%
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
H
3
PO
4
H
P
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
1
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
1
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
16
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
3%
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
108
16
160
17%
2
26%
29
3
3,2%
30%
31
32%
4
40%
5
56
60%
62
65%
70%
74%
77,4%
80
83%
98
O
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