Ответ:
Si+2cl2—sicl4
2Hcl+cao—cacl2+h2o
S+al=al2s3
H2so4+na2o=na2(so4)+h2o
3Hno3+al(oh) 3=3h2o+3al(no3)3
2P+3ba=ba3p2
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Ответ:
Si+2cl2—sicl4
2Hcl+cao—cacl2+h2o
S+al=al2s3
H2so4+na2o=na2(so4)+h2o
3Hno3+al(oh) 3=3h2o+3al(no3)3
2P+3ba=ba3p2