1. Английский язык
  2. Құрамында көміртектің массалық

Құрамында көміртектің массалық үлесі 81,8% сутектің массалық үлесі 18,2% болатын сутек бойынша салыстырмалы тығыздығы 22ге тең көмірсутектің молекулалық формуласын анқтаңдар?​

olenina051 olenina051    3   21.05.2020 11:26    20

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