How many atoms of scandium are in 75.0 g
WebHow to find atoms from grams if you are having 78g of calcium? Solution: Using the generic expression to convert g to atoms: Number of Atoms = (Given Mass/Molar Mass) * … WebNov 9, 2024 · A) 75.0 atoms B) 4.17 atoms C) 7.53 × 1024 atoms D) 2.51 × 1024 atoms E) 5.02 × 1024 atoms 2 Answers no. of moles of H2O = mass / relative molecular mass = 75/18 no. of H2O molecules = moles x Avagadro's constant = …
How many atoms of scandium are in 75.0 g
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WebApr 29, 2024 · One mole of anything, including atoms, is 6.022 × 1023 (Avogadro's number) of them. Usually you will have a given mass of an element. There are two basic steps to get from the given mass to the number of atoms. They are: Mass → Moles and Moles → Atoms The following example will show you how to do that. WebMolar mass of Sc = 44.955910 g/mol Convert grams Scandium to moles or moles Scandium to grams Percent composition by element Similar chemical formulas Note that all …
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WebA) 75.0 atoms B) 4.17 atoms C) 7.53 times 10^24 atoms D) 2.51 times 10^24 atoms E) 5.02 times 10^24 atoms The molar mass of calcium hydroxide, Ca (OH)_2, is A) 58.1 g B) 57.1 g C) 74.1 g D) 114.2 g E) 38.0 g Question: How many hydrogen atoms are … WebChemical element, Scandium, information from authoritative sources. Look up properties, history, uses, and more.
WebJun 3, 2024 · Your answer would be (D), 5.02 x 10^24 atoms Mass of H2O is 18.01 75.0 grams = 75.0/18.01 = 4.16 moles hydrogen atoms = 2 (4.16) (6.022 * 1023) Answer = 5.02 x 1024 atoms Second solution: molar mass H2O = 18g/mole 75g H2O = 75/18 = 4.167mole Molecules in 1 mole = 6.022 x 10^23 Molecules in 4.167 mole = 4.167 (6.022) (10^23) = …
WebDec 11, 2024 · OneClass: How many hydrogen atoms are present in 75.0 ofg H2O? 7.53 × 10^24 atoms 2.51 × 10^24 atoms ... Chemistry 1 answer 0 watching 337 views maroondolphin62 Lv1 11 Dec 2024 How many hydrogen atoms are present in 75.0 ofg H2O? 7.53 × 10^24 atoms 2.51 × 10^24 atoms 4.17 atoms 5.02 × 10^24 atoms 75.0 atoms … michael woolery zanesville ohioWebMay 5, 2024 · No. of O atoms = 0.3011mol O atoms × 6.022 × 1023lO atoms 1mol O atoms = 1.81 ×1023lO atoms Thus, 12.3 g of KClO3 contains 1.81 ×1023lO atoms. Here is a video on converting moles of a compound to atoms. Answer link michael wooten buffalo nyWebaverage atomic mass of an unknown monatomic gas is 0.045 g/mol. Every H atom weighs 1.008 amu. A certain mass of solid Na contains fewer atoms than the same mass of gaseous Ne. true A certain mass of solid Na contains fewer atoms than the same mass of gaseous Ar. On average, one Li atom weighs 6.941 grams. The atomic mass of rhenium is … how to change your role color on discordWebDetermine the number of atoms in 75.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99 g.) 2.015 x 10 atoms 1 N 3 X 4 5 6 с 7 8 9 +/- 0 x 100 This problem has … how to change your role in discordWebFeb 21, 2024 · In 75.0 g, there are nearly 1.26 × 1024 scandium atoms. According to the given data: 75.0 g Sc x (1 mol Sc/44.96 g Sc) x (6.02×10^23 atoms Sc/1 mol Sc) ≈ 1.26 x … how to change your roleplay name in shindoWebDec 12, 2024 · How many atoms of scandium are in 75.0 g? Sc, 44.96 g/mol [?] * 10[?] atoms Sc Enter the coefficient in the green blank and the exponent in the yellow blank. Coeffcient … how to change your roomWeb( A 75.0 atoms O B. 4.17 atoms C. 7.53 x 1024 atoms O D. 2.51 x 1024 atoms E. 5.02 x 1024 atoms This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer Question: How many hydrogen atoms are present in 75.0 g of H202 Select one: ? how to change your room card on imvu