The molar mass of a substance is the mass of one mole of that substance. What is the unit of molar mass? A. g/mol B. mol/g C. L/mol D. mol/L 相关知识点: 试题来源: 解析 A。本题考查摩尔质量的单位。摩尔质量是指单位物质的量的物质所具有的质量,单位是克每摩尔(g/mol)。选项 B...
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 ...
Number of neutrons in the nucleus of the Sodium ion = 12 The atomic mass of Sodium $=11+12=23$ Hence, 1 mole of Sodium weighs 23 grams.We know,Since the atomic mass of Sodium is 23, we can also write it as 23 g/mol.Therefore, we conclude that...
What is the molar mass of PbI2? How can the number of moles of barium nitride be determined from its mass? How many grams of barium sulfate can be produced from 0.100 mole of barium chloride? What is molar mass in chemistry? How many grams of barium chloride are needed to make 100 gra...
The molar mass of copper(II) sulfate is 159.61 g/mole. Copper is the heaviest element in copper(II) sulfate with a molar mass of 63.55 g/mole. Sulfur...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts can ...
Learn about molecular mass. Understand what the formula unit mass is, how to find molecular mass, and exercise calculating molecular mass in some example problems. Related to this QuestionWhat is the mass of one mole of 37Cl atoms if the exact mass of one 37Cl ato...
If an atom were about as big as a baseball stadium, the nucleus would be the size of a pea in the very center and the electrons would be somewhere on the outside edge.What makes an atom of gold different from an atom of iron is the number of protons, neutrons, and electrons inside...
What will happen if an iron spoon is used to stir an AgCl solution? Consider the equilibrium of AgCl(s) in water: AgCl(s) <=> Ag + Cl^-. What is the effect of adding 6.5 x 10^(-3) M AgNO_3? What will happen if 50 mL of 0.022 M Na_2S_2O_3, 50 mL of 0.010 M Ag...
A biopsy might be recommended whenever there is an important medical question the biopsy could help answer. Here are just a few examples: Amammogramshows a lump or mass, indicating the possibility ofbreast cancer. A mole on theskinhas changed shape recently and melanoma is possible. ...
Chemistry is the branch which deals with the detailed study of matter, its properties, how and why atoms/substanced combine or separate to form other substances. Understand all the basic concepts of Organic, Inorganic, and Physical Chemistry with detaile