该反应为HCl+Na2B4O7·10H2O=2NaCl+4H3BO3+5H2On(HCl)= n(1/2Na2B4O7·10H2O)C(HCl)V HC l = m/ M(1/2Na2B4O7·10H2O)所以盐酸溶液的物质的量浓度c(HCl)= 0. 10286 (mol/L)
