13. When analyzing the synthesized manganese formate complex with the composition Na2Mn(HCOO)4*4H2O, the content of carbon and hydrogen was found to be equal, %: С – 13.20; 13.45; 13.60; H - 3.20; 3.28; 3.36; 3.44. Describe the convergence of the results of the analysis at a confidence level P=0.95 using the factor calculated according to Pearson and relation (1.16). Answer: the results of the analysis agree on both carbon and hydrogen.
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