(1)正常人每天应补充14mg左右的铁,则每天约需要服用含FeSO4?7H2O的质量= 14mg 56 278 ×100% =69.5mg,故答案为:69.5mg;(2)n(Fe)=0.01000mol/L×24.00×10-3L×5× 1000mL 20mL =0.06molm(Fe)=0.06mol×56g/mol=3.36g 10g×35%?3.36g 10g×35% =4%<10%所以可以服用,故答案为:可以服用.