1 请翻译下面的英语化学题目What is the mass of one carbon atom in atomic mass unit(amu)What is the mass of one carbon atom in grams(g)What is the mass of one oxygen atom in amu?What is the mass of one oxygen atom in gThe sample of hydrogen has a mass of 1.01 amu?How manyhydrog...
Carbon: Carbon is an integral element in organic compounds. All life forms contain compounds containing carbon. Carbon is located is the second row on the periodic table and in the 14th group. Answer and Explanation:1 The oxidation number of carbon is not a set value. A carbon atom has 6...
What is the mass number of boron-11? What is meitnerium's atomic mass? What is the most common isotope of cobalt? What is nobelium's atomic mass? What is the mass number of tungsten? What is the mass number of zirconium? What is the atomic mass number of carbon-13?
What mass of carbon has the same number of atoms as 78.54 grams of chromium? Molar Mass The molar mass of an atom or a compound is the mass of one mole of that compound. The molar mass of the atom or compound can be used as a conversion factor to convert the mass of t...
What is the mass of one carbon atom in grams(g)What is the mass of one oxygen atom in amu?What is the mass of one oxygen atom in gThe sample of hydrogen has a mass of 1.01 amu?How many hydrogen atom(s) equal to 1.01 amu?The sample of hydrogen has a mass of 1.01g,how many ...
What is the mass of(a)6x1023 atoms of O(b)6x1023atoms of O2(c)one mole of carbon dioxide,CO2(d)two mole of silver,Ag(e)0.2 moles of silver,Ag 相关知识点: 试题来源: 解析 a)6x1023即是1mol,即1mol原子的氧元素.质量为16×1=16gb)1mol氧原子的氧气质量为 16×1=16gc)1mol的CO2 ...
In the reaction C + O₂ = CO₂, what is the ratio of carbon to oxygen by mass? A. 3:8 B. 3:4 C. 12:32 D. 12:16 相关知识点: 试题来源: 解析 C。碳和氧的质量比为 12:32。A 选项 3:8 错误;B 选项 3:4 错误;D 选项 12:16 错误。
①The merchants of Arab are doing their things all of the world.(n.商人) ②He is a wholesale merchant.(n.批发商) ③This is a merchant ship of 5,000 tons.(adj.海上货运的) 2.negotiate vt.商定;达成(协议) vi.谈判;...
What is the atomic mass number of carbon-12? How do you find the atomic mass of an element? How do you find the atomic number of an element? What is atomic number, mass number and isotopes? What is the atomic mass of an element?
aavailable for checkout. 可利用为结算离开。[translate] aspring up 出现[translate] aIf high carbon steel is 1.35% carbon by mass, what mass (in kg) of steel contains 25.0 g of carbon? 如果高碳钢是1.35%碳由大量,什么大量 (在公斤) 钢包含25.0 g碳?[translate]...