prosze o pomoc!!! ;)
zadania w zalaczniku 1i 2.
A) Ca/Br=40u/2*80u=1/4
1gram Ca+4 gramy Br=5 gramów CaBr2
B)Fe/O=2*56u/3*16u=116u/48u=2 20/48=2 5/12
2.
a)SO2
64u - 100%
32u - X
X= 32u *100%/64u=505
100%-50% = 50%
b)Al2S3
150u - 100%
54u - X
X=54u*100%/150u=36%
100%-36%=64%
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A) Ca/Br=40u/2*80u=1/4
1gram Ca+4 gramy Br=5 gramów CaBr2
B)Fe/O=2*56u/3*16u=116u/48u=2 20/48=2 5/12
2.
a)SO2
64u - 100%
32u - X
X= 32u *100%/64u=505
100%-50% = 50%
b)Al2S3
150u - 100%
54u - X
X=54u*100%/150u=36%
100%-36%=64%