Doskey CM, van `t Erve TJ, Wagner BA, Buettner GR (2015) Moles of a substance per cell is a highly informative dosing metric in cell culture. PLOS ONE 10:e0132572.C.M. Doskey, T.J. van 't Erve, B.A. Wagner, G.R. Buettner, Moles of a substance per cell is a highly ...
Suppose the mass of one mole of a substance is 45.0 grams. How many moles of the substance are present in 0.568 grams of the sample? How many moles of N2 has a mass of 130.10 grams? The ___ of a substance is the mass (in grams) of 1 mole o...
Mass and moles of a substance or compound can be converted into one another using the molar mass. moles=massmolarmass The molar mass of an element can be found in the periodic table while the molar mass of a compound is equal to the sum of the individual molar mass...
■ One mole of a substance is the amount of substance that has the same number of particles as there are in exactly 12 g of carbon-12. ■ The Avogadro constant is the number of a stated type of particle (atom, ion or molecule) in a mole of those particles. ■ Empirical formulae sh...
The molar mass is the mass of a mole of a substance, which corresponds to the quantity of matter that contains anAvogadro's numberof atoms or molecules (depending on the substance). Molar masses change widely in the periodic table: a mole of hydrogen weighs only1.008 g, while a mole of...
The grams to moles equation allows the simple conversion of grams to moles. Here is an illustration of how to find moles when given the mass in grams of a substance: The mass of one mole of lithium is 6.938 grams. If a sample of lithium (Li) weighs 100.0 grams, how many moles of ...
The meaning of MOLE is a pigmented spot, mark, or small permanent protuberance on the human body; especially : nevus. How to use mole in a sentence.
In chemistry, a mole is a quantity used relate reactants to products in stoichiometric equations. A mole of any substance is equal to 6.02 x 10^23 particles -- usually atoms or molecules -- of that substance. For a given element, the mass (in grams) of o
A mole represents 6.022 x 10^23 formula units of a substance, and this number corresponds to the number of formula units of substance necessary for the sample to exhibit a weight equal to its formula weight in grams. Formula weight, in turn, represents the sum of the atomic weights, as ...
解析 C。本题主要考查摩尔的概念。摩尔是物质的量的单位,1 摩尔物质含有阿伏伽德罗常数个微粒。选项 A 克是质量单位;选项 B 升是体积单位;选项 C 微粒,1 摩尔物质含有阿伏伽德罗常数个微粒,所以与摩尔有对应关系;选项 D 千克是质量单位。反馈 收藏