How many grams of Si are there in a sample of Si that contains 8.23×1023 atoms? grams

Q: How many atoms of silver are in a bracelet that weighs 34.0 g? O 1.1 x 1023 O 1.1 x 106 O 1.9 x 1023…

A: We have to calculate the number of atoms.

Q: How many atoms are in 11.5 g Au

A:

Q: How many moles of atoms are in each elemental sample? 1.34g Zn 24.9 g Ar 72.5g Ta 0.0223g Li

A: Using the molar equation- n: number of moles of the elemental sample. m: given mass of the…

Q: Calculate the mass, in grams, of each of the fol

A: 1. Mole interms of particles :     1 mol = 6.022 x 1023 particles   2. Mole interms of  mass :…

Q: 3. What mass of Al contains the same number of atoms as 3.0 g Pb7 a. 23 g b.0.014 g C. 3.0g d. 0.39…

A: 3. mass of Pb = 3.0 g molar mass of Pb = 207.2 g/mol moles of Pb = 3.0 g / 207.2 g/mol…

Q: How many grams of Li are there in a sample of Li that contains 3.58×1023 atoms? grams

A: Number of Li atoms (n) = 3.58×1023 Avogadro's constant (N) = 6.023×1023 Molar mass of Li = 6.94…

Q: What is the mass of a 12.56L sample of carbon dioxide? O A. 17.9 g о В. 8.9 g O C. 4501 g O D. 24.7…

A:

Q: 5. In a 3.7-gram sample, there are (A) 1.1 x 1022 atoms of gold (B) 3.2 x 1025 atoms of gold (C) 4.4…

A: Number of Mole-Ratio of given mass of substance to the molar mass of substance is called number of…

Q: What is the mass of the compound C8H18 (Mm = 114.26 g.mol-1) that contains 7.20x1022 hydrogen atoms?

A: Given :- molar mass of C8H18 = 114.26 g.mol-1  Number of H atoms = 7.20 × 1022 atoms   To calculate…

Q: You are given 1.0g samples of Iron, Silicon, and Lithium. Which of the three samples will contain…

A: Given: 1 g sample of Iron, silicon and lithium To find: Sample containing largest number of atoms…

Q: A typical silicon chip has a mass of 2.3 x 10-4 g. Assuming the chip is pure silicon, how many…

A: Given that the mass of silicon chip is 2.3×10-4 g. The number of moles can be calculated using the…

Q: A student has a sample of zinc that weighs 22.19 g. How many zinc atoms are in this amount of zinc?…

A: The Number of atom present in one mole of an element is equal to the Avogadro's number (6.022×1023…

Q: Which sample contains the greatest number of atoms? O 102 g Ag O 189 g Ir O 18 g O O 53 g Fe

A: The number of moles is defined as the ratio of a given mass to molar mass. No. of moles =Given…

Q: If there are 7.28 x 1022 molecules in a sample of CH4, what is the mass of this sample in grams? O…

A: Molecular wt. of CH4 = Molecular Wt. Of C + (4 * Molecular wt. of H) = 12 g/mole + (4 * 1 g/mole ) =…

Q: How many hydrogen atoms are there in 8.75 g of C,H,NO,? Select one: a. 23 4.79x 10 b. 3.22x 1023 с.…

A: Given: Mass of C2H7NO2 = 8.75 g Molar mass of C2H7NO2 = 77.08 g/mol

Q: Which sample contains the greatest number of atoms? (a) 15 g Ne (b) 15 g Ar (c) 15 g Kr (d) None of…

A: The mole concept is used to solve such problems. The mole concept was introduced by Avogadro to…

Q: How many grams of Mg are there in a sample of Mg that contains 6.21x1023 atoms? grams

A: The amount of Mg present can be calculated as

Q: A 2.41 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.30 x 102…

A: Given: Number of molecules of N2O =3.30×1022 molecules And mass of N2O sample =2.41 g

Q: How many grams do 2.2 × 1024 atoms of magnesium

A: Solution - The molar mass of Mg =  24 g / mol therefore 1mol of Mg atoms weight =24 g Mass of 2.20 ×…

Q: How many grams of platinum (Pt) contain the same number of atoms as 5.0 g of lithium (Li)? О а. 0.18…

A: Given, Mass of lithium (Li) = 5.0 g Mass (in grams) of platinum (Pt) contain the same number of…

Q: How many moles of atoms are in each elemental sample? 1.10 g Zn 25.4 g Ar

A: Given :-  mass of Zn = 1.10 g  mass of Ar = 25.4 g  To be calculated :-  number of moles of Zn and…

Q: How many atoms are contained in a block of aluminum metal measuring 4.0 mm x 9.0 mm x 11 mm? The…

A:

Q: 1. Calculate the mass of each sample. a. 1.05 x 10 26 atoms of neon, Ne(g) b. 8.72 x 1021 molecules…

A:

Q: Calculate the number of grams of lithium in 5.44 x 10^21 atoms of lithium.

A: Given -> Number of atoms of lithium =5.44 × 10^21 atoms

Q: How many atoms are contained in a block of aluminum metal measuring 8.0 mm x 6.0 mm x 15 mm? The…

A: Given, length of aluminum block = 8.0 mm = 0.8 cm                            ( since 1 mm = 0.1 cm)…

Q: How many atoms are in 45.6 g Li

A: Given, Mass of lithium (Li) = 45.6 g Number of atoms are in 45.6 g Li = ? Note: Atomic mass of of…

Q: The mass of an atom of hydrogen is 1.673 x 10-24 g. How many atoms are in a 10.8 g sample of…

A: Since mass of 1 H atom = 1.673 x 10-24 g Hence assuming in 10.8 g sample of hydrogen we have n…

Q: Manganese(Mn) is a transition element essential for the growth of bones. What is the mass in grams…

A: Manganese is represented by atomic symbol Mn and it is a transition element. Also, it can be said…

Q: Calculate the mass (in grams) of a tungsten atom. A. 1.107 x 10 - 26 B. 1.661 x 10 - 24 g C. 3.054 x…

A: Molar mass of tungsten = 183.84g/mol

Q: How many grams of Zn are there in a sample of Zn that contains 4.33x1023 atoms? grams

A: Using molar mass of Zn, grams of Zn present in a sample of Zn can be calculated.

Q: Which of the following contains the most atoms? 24.305g Mg 39.098g K 9.0122g Be 21.62g B

A: One mole of a substance contains 6.022×1023 atoms and the number of moles of a substance can be…

Q: Calculate the mass, in grams, of sample. 2.82x10^22 helium atoms

A:

Q: 9. How many hydrogen atoms are there in 500.0 L of water? (dH.0 = 1.00 g mL) %3D A: 3.34 x 1025 28

A: Given, the volume of water V =500.0 L =500000 mLdensity of water d =1.00 g .mL-1we are asked to…

Q: How many grams of He are there in a sample of He that contains 8.76x1023 atoms? grams

A:

Q: How many moles of aluminum do 1.42 x 10^24 aluminum atoms constitute?

A: 1 mol of any atom has 6.023 ×1023 number of atoms .

Q: How many ATOMS of phosphorus are present in 8.70 grams of phosphorus triiodide ?  atoms of…

A: Data given: Mass of phosphorus triiodide = 8.70 g Number of molecules of phosphorus triiodide =…

Q: How many atoms (total) are present in a 3.45 x10-2 m3 sample of Al2O3, which has a density of 3.95…

A:

Q: If the exact mass for an unknown compound is 99.0684 amu, which of the following is the correct…

A: Molar masses of the atoms constituting the given compounds are as follows:- Molar mass of Carbon…

Q: Calculate the number of grams in 1.5 x 10^16 atoms of sulfur

A: Since moles = number of atoms / Avogadro's number  Avogadro's number = 6.022 X 1023  And number of…

Q: Calculate the mass, in grams, of sample. 1.8x10^23 lead atoms

A:

Q: A sample of TNT, C7H5N3O6 , has 7.97 x 1021 nitrogen atoms. How many hydrogen atoms are there in…

A: The details solution for this is provided below in attach image.

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm3. How many…

A: Given : Density of silica = 2.20 g/cm3  And diameter of grain of sand = 0.455 mm

Q: How many helium (He) atoms are there in (3.74x10^2) g of helium?

A: A number of an atom of an element in the compound = number of moles of the element in compound x…

Q: What is the mass of 8 atoms of copper in grams? 8.44 x 10-22 g 1.33 × 10-23 g X 508 g 7.58 x 1022 g…

A:

Q: toms are there in 400.5 grams of Silicon? A V-M. G a. b. 6.77 X 1027 atoms 8.58 X 1024 atoms С.…

A:

Q: A 1.98 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 2.71 x 1022…

A:

Q: What is the mass of one atom of I? 3.443 x 10 24g 6.641 x 10 23 g 2.107 x 10-22 g 4.745 x 10-22 g

A:

Q: Which of the following contains the same number of atoms as in 6.0 grams of carbon? O 6.0 grams of…

A: The correct answer is given below

Q: How many atoms of calcium are contained in 112.0 grams of calcium?

A: Given :-  mass of calcium = 112.0 g  To calculate :-  total number of calcium atoms present in the…

Q: Calculate the mass, in grams, of sample. 1.1x10^23 gold atoms

A: Given: Gold sample with 1.1x1023 number of atoms.