54. Solving a chemistry problem
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54. Solving a chemistry problem
17. Give all possible reactions for testing the authenticity of all components of the recipe. Propose a scheme for quantitative analysis, taking into account the joint presence of components. Give methods of determination, reaction equations.
Rp.: Formalini 20 ml
Phenoli 1.5
Natrii hydrocarbonatis 7.5
Aquae ad 500 ml
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