人体内缺少钙元素会影响健康,因此每日需摄入足够的钙。市场上某

人体内缺少钙元素会影响健康,因此每日需摄入足够的钙。市场上某钙制剂的说明书如下图所示,请仔细阅读,并进行计算。

××钙片

[主要成分]葡萄糖酸钙

[(C6H11O7)2Ca]

[药品规格]2.5 g

每片含(C6H11O7)2Ca 0.2 g

[用量]每日2次,每次1

(1)葡萄糖酸钙相对分子质量为____

(2)葡萄糖酸钙中氢、氧元素的质量比为__

(3)按说明书服用钙片时,每天能够补充的钙为____(精确到0.1)mg

答案

43011∶11237.2

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