If you had 21.5 moles of silicon, how many atoms would you expect to have? And If you had 5.69 x 1025 atoms of Mg, how many moles would you have?

Q: Determine the mass in grams of 5.48 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: Given:Mass of one mole of arsenic = 74.92 g1 mole of an element has 6.022×1023 (NA) atoms. ⇒1 mole…

Q: What quantity in moles of silver atoms do you have if you have 3.94 * 1021 atoms of silver. (The…

A: The given question is related to stoichiometry. In the given question, it has been asked to…

Q: Determine the mass in grams of 6.07 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A:

Q: The molar mass of silver (Ag) is 107.87 g/mol. Calculate the mass in grams of a sample of Ag…

A: The mass of Ag of the sample is = 3.53 g

Q: Determine the mass in grams of 5.90 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: Given that:  Atoms of arsenic = 5.90×1021 Mass of arsenic = 74.92g  1mole = 6.023×1023 atoms

Q: Determine the mass in grams of 7.56 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A:

Q: How many moles of calcium atoms do you have if you have 2.85 x 1021 atoms of calcium. (The mass of…

A: The Answer to the following Question is given as:

Q: Determine the mass in grams of 2.25 x 1021 atoms of copper. (The mass of one mole of copper is 63.55…

A:

Q: Determine the mass in grams of 3.34 x 10^21 atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: Determine the mass in grams of 6.77 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: We have to determine the mass in grams of 6.77 × 10²¹ atoms of arsenic. (The mass of one mole of…

Q: Determine the mass in grams of 2.31 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A: The relation between mass and number of atoms:                                    Mass(g)molar…

Q: Determine the mass in grams of 3.98 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: Determine the mass in grams of 6.96 × 102¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole is defined as mass of substance divide by it's molar mass

Q: Determine the mass in grams of 5.51 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: 4. A chemist has a sample of propanol, C3H;OH, that contains 9.2 x 1024 molecules. What is the mass…

A:

Q: Determine the mass in grams of 7.21 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Assuming gasoline to be pure 2-methylhexane, C7 H16 (actually, it is a mixture of many substances),…

A: Molecules consumed per mile =  5.96 x 1023 molecules We need to find the mass of fuel.

Q: What quantity in moles of potassium atoms do you have if you have 3.50 x 1024 atoms of potassium.…

A:

Q: Determine the mass in grams of 3.00 x 1021 atoms of arsenic. (The mass of one mole of arsenic is…

A: Given : number of arsenic atoms = 3.00 X 1021 atoms  mass of 1 mole of arsenic = 74.92 g

Q: How many moles of calcium atoms do you have if you have 8.62 x 1021 atoms of calcium. (The mass of…

A: Number of atoms of Ca is given for which number of moles is to be determined.

Q: Determine the mass in grams of 7.98 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A:

Q: Determine the mass in grams of 4.38 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A:

Q: The molar mass of platinum is 195.08 g/mol. What is the mass of 1.00 × 102 Pt atoms?

A: Given information: Molar mass of Pt = 195.08 g/mol Atoms of platinum = 1.00 × 102

Q: Determine the mass in grams of 4.78 × 1021 atoms of chromium. (The mass of one mole of chromium is…

A: The number 6.023 × 1023 indicates the number of atoms or molecules in a mole of any substance is…

Q: Determine the mass in grams of 3.11 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: Recall the data, Number of atoms of arsenic=3.11 × 10²¹ atoms  mass of one mole of arsenic is 74.92…

Q: Determine the mass in grams of 6.03 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: The given mass of 1 mole of carbon atoms = 12.01 g So, the mass of 6.022×1023 atoms of carbon =…

Q: Determine the mass in grams of 7.94 × 10²¹ atoms of zinc. (The mass of one mole of zinc is 65.39 g.)

A: Given : Mass of 1 mole of Zinc = 65.39 g And number of atoms of Zinc = 7.94 X 1021 atoms.

Q: What is the mass of 7.10 moles of magnesium chloride, MgCl2? Express your answer with the…

A: 1) The compound given is MgCl2 with moles = 7.10 mol Since molar mass of MgCl2 = Atomic mass of Mg +…

Q: Determine the mass in grams of 3.92 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: Determine the mass in grams of 5.30 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A: 1 mole of a substance equal to  6.022×1023 atoms which is Avogadro’s number. Thus, the gram value of…

Q: What quantity in moles of potassium atoms do you have if you have 3.50 x 1022 atoms of potassium.…

A:

Q: Determine the mass in grams of 8.71 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: The number of moles of a substance is determined as the number of molecules, atoms or ions upon the…

Q: Determine the mass in grams of 3.60 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: Solution In chemistry, the molar mass of a matter is outlined because the mass of a sample of that…

Q: How many moles would 1.00 x 103 molecules of methane ( 1. CH4) represent?

A: Avogadro number (NA) 1 mole of a substance contains 6.02×1023 molecules 1 mole of O2 contains…

Q: Determine the number of ethylene molecules, C 2 H 4 , in a 7.3 g sample of ethylene, [ans: 1.6 X 10…

A:

Q: What quantity in moles of sodium atoms do you have if you have 2.10 × 10²³ atoms of sodium. (The…

A: The objective of the question is to find out the quantity in moles of sodium atoms given the number…

Q: Determine the mass in grams of 2.25 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55…

A: Mole concept: According to the mole concept, the number of particles in one mole of the substance is…

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.