Vitamin B12,cyanocobalamin,is essential for human nutrition.
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:英语作业 时间:2024/08/19 08:36:32
Vitamin B12,cyanocobalamin,is essential for human nutrition.It is concentrated in animal tissue but not in higher plants.Although nutritional requirements for the vitamin are quite low,people who abstain completely from animal products may develop a deficiency anemia.Cyanocobalamin is the form used in vitamin supplements.It contains 4.34% cobalt by mass.Calculate the molar mass of cyanocobalamin,assuming that there is one atom of cobalt in every molecule of cyanocobalamin.
___________ g/mol
___________ g/mol
![Vitamin B12,cyanocobalamin,is essential for human nutrition.](/uploads/image/z/2412010-10-0.jpg?t=Vitamin+B12%2Ccyanocobalamin%2Cis+essential+for+human+nutrition.)
钴的相对原子质量是59
则胡萝卜素的相对分子质量是
59/4.34%=1359.4g/mol
则胡萝卜素的相对分子质量是
59/4.34%=1359.4g/mol
Vitamin B12,cyanocobalamin,is essential for human nutrition.
英语化学求摩尔质量!Vitamin B12,cyanocobalamin,is essential for human
water is very essential for human beings
Experience of the world is of course essential for all human
Which is more important for your health :nutrition or exerci
It is essential taht the human doesn't make a mistake .这句话是主
英语翻译Patient cooperation is essential for satisfactory plaque
有It is essential for sb to do吗
People write computer programs,but it is essential for peopl
英语翻译Food,as essential prerequisite for existence,is substanc
The possession of a passport is essential/necessary for fore
英语翻译Good workability at construction site is essential for h