An oxygen atom has a mass of 2.6610−23g and a glass of water has a mass of 0.050kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of oxygen atoms? How many moles of oxygen atoms have a mass equal to the mass of a glass of water?

Q: Calculate the number of hydrogen atoms in a 100.0 g sample of ammonia (NH,). Be sure your answer has…

A: One mole of any molecule contains approximatly 6.022 x 1023 (Avogadro's number) molecules. And the…

Q: 15. This ForeverspinTM top os made of pure carbon, with an Atomic Mass of 12. This top weights 9…

A: P

Q: In Section 1.10, it was stated that 1 mol of sand grains would cover the state of Texas to several…

A: SOLUTION: Step 1: Simple Volume of 1 sand grain = (0.10 mm)3 = 0.001 mm3. 1 mole of sand =…

Q: Calculate the number of nitrogen atoms in a 120.0 g sample of dinitrogen tetroxide (N,04). Be sure…

A: Mass of nitrogen dioxide (N2O4) = 120.0 g  Number of nitrogen atoms = ?

Q: Give the correct formulas for the following compounds. If you do not know how to use subscripts for…

A: A)  MP B) M3(PO4)4 C) M3(PO3)2 D) MHSO4

Q: Calculate the number of nitrogen atoms in a 150.0 g sample of dinitrogen tetroxide (N,04). Be sure…

A: 1 mole=6.023x1023 atoms or ions or molecule .molar mass of N2O4=2 x atomic mass of N+…

Q: An iron atom has a mass of 9.27x10^−23g and a cooking pot has a mass of 0.500kg. What is the mass of…

A: Given: Mass of single iron atom = 9.27 X 10-23 g And mass of cooking pot = 0.500 Kg = 500 g…

Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg; (Si,O3), (OH), An…

A: Given the chemical formula: Mg3Si2O52(OH)2 So, there are 3 mol Mg per 1 mol of Mg3Si2O52(OH)2 And,…

Q: How many atoms of chlorine are in 6.85 g of chlorine

A:

Q: A copper atom has a mass of  ×1.0610−22g  and a penny has a mass of  2.5g . Use this information…

A: Given data :· Mass of copper atom = 1.06×10-22 g· Mass of Penny = 2.5 gWe need to calculate :· The…

Q: What is the mass in grams of 6.90 x 10^14 lead (Pb) atoms? Enter your answer in scientific notation.

A: Given: molecules of lead (Pb) = 6.90×1014 molecules molar mass of Pb = 207.2 g/mol

Q: A molecule has a mass of 4.65 x 10^-23 g. Provide two possible chemical formulas for such a…

A: Given  mass of 1 molecule = 4.65 x 10-23 g we know  mass of 1 molecule = 1 mole  1 mole = 6.022 x…

Q: A copper atom has a mass of 1.06 x 10 g and a penny has a mass of 2.5 g. Use this information to…

A: Mass of Cu atom = 1.06 × 10-22 g Mass of penny = 2.5 g 1) Mass of 1 mole of Cu atom =? 2) Number of…

Q: An aluminum atom has a mass of 4.48 x 10 g and a small airplane has a mass of 5000. kg. Use this…

A:

Q: If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one…

A:

Q: Calculate the mass (in grams) of 4.69 x 1024 carbon atoms.

A: Given : 4.69 × 1024 carbon atoms.  We know 6.022 × 1023 atoms = mass of one mole

Q: A copper atom has a mass of 1.06 × 10 -22 g and a penny has a mass of 2.5 g. Use this information to…

A: Number of Moles = Given mass / molar mass

Q: A copper atom has a ass of 1.06 x 10 22 g and a penny has a mass of 2.5 g. Use this information to…

A: 1 mole = 6.022×1023 [ Avogadro's number ] One mole of copper will consists of 6.022×1023 Copper…

Q: – 12 mg and an oil tanker has a mass of 3.0 x 10' kg. A virus has a mass of 9.0 x 1 Use this…

A:

Q: The atomic masses of chlorine-35 (75.780%) and chlorine-37 (24.220%) are 34.969 amu and 36.966 amu,…

A: To calculate : average atomic mass of Cl

Q: afari File Edit View History Bookmarks Window Help www-awn.aleks.com alex Yahoo Search Results…

A: Calculate mass of one mole of Aluminum atoms:

Q: Gold (Au) has a density of 19.32 g-cm-3. If a spherical gold nanoparticle has a diameter of 50 nm…

A: Density of Gold nanoparticle is 19.32 g/cm3 and its volume is 7*104 nm3.

Q: Show all your work on a sheet of paper to solve the following problem. Full credit is based upon the…

A:

Q: Chemists have determined that 18.0 g of water consists of 6.02 x 10 23 molecules. Determine the…

A: Given, 18 g of water consists of 6.02 x 1023 molecules. Container = 1 quart = 946.35 g

Q: Be sure to answer all parts. Enter your answers in scientific notation. Calculate the number of…

A: The compound given is Ca3(PO4)2. Mass of Ca3(PO4)2 given = 9.75 g Molar mass of Ca3(PO4)2 = Atomic…

Q: 2. Calculate the mass of each of the following: a. 20.0 mL of nitrogen gas b. 7.0 L of hydrogen gas…

A: One mole of any gas at STP occupies 22400 ml of volume. It is called molar volume.

Q: How many water molecules does it contain? The density of water is 1.0 g/cm3. A drop of water has a…

A:

Q: How many neon atoms are contained in (6.89x10^2) grams of neon? Use at least two decimal places for…

A: Given -> Weight of neon = 6.89 × 102 gram

Q: What is the mass of 1 carbon atom in grams?  What is the mass of one dozen carbon atoms in grams?…

A: The number of moles can be calculated as- n=mMm=n×M where n: number of moles of the atom m: the mass…

Q: What mass of copper(I) phosphate contains 3.20x1023 oxygen atoms? Provide your answer in decimal…

A: Chemical formula : Cu3(PO4)2  Given, Atoms of Oxygen = 3.20 x 1023 atoms. Molar mass  : 380.58 g/mol…

Q: The formula for sulfur hexafluoride is . a. How many molecules are in 2.24 grams of sulfur…

A:

Q: What is the mass in grams of 8.91 × 1016 chromium atoms? Put your answer in box in scientific…

A:

Q: Calculate the number of atoms in a 2.17 x 105 mole sample of neon. Your answer should be rounded to…

A: Number of moles of a substance is equal to the mass of the substance divided by its molar mass.

Q: How many atoms are there in 77.9 g of selenium? You will need to divide your answer by 1.0X10^23

A:

Q: Calculate the number of chlorine atoms in a 50.0 g sample of gold(III) chloride (Au,Cl,). Be sure…

A: MOlar mass of Au2Cl6 = 2 x 197 + 6 x 35.5                                          = 607 g/molNumber…

Q: If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one…

A:

Q: O CHEMICAL REACTIONS Interconverting number of atoms and mass of compound Calculate the number of…

A: Mass of forsterite (Mg2SiO4) = 80.0 g  Number of magnesium atoms = ?

Q: This is the chemical formula for cassiterite (tin ore): SnO, A geochemist has determined by…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: A drop of water has a volume of 50 uL. How many water molecules does it contain? The density of…

A: Given that,Volume of water = 50 micro L = 0.05mLDensity of water = 1.0 g/mLNow, you calculate the…

Q: One mole of silicon (6 x 1023 atoms) has a mass of 28 grams, as shown in the periodic table on the…

A: Given :- Mass of 6 × 1023 atoms = 28g  Density = 2.4g/cm3

Q: How many atoms are there in each of the following substances? I.) 5.14 g P Express your answer…

A: molar mass of P   = 31 g/mol molar mass of Hg = 200.59 g/mol molar mass of Bi   = 200.98 g/mol molar…

Q: How many atoms of oxygen are in 231.000 grams of lead (IV) oxide? Enter your answer using Canvas's…

A: moles : Mole, also spelled mol, in chemistry, a standard scientific unit for measuring large…

Q: How many helium atoms are there in a helium blimp containing 534 kg of helium?   Express the number…

A: Mole= mass/molar mass  Molar mass of Helium =4g/mol So first Calculate mole Then atoms…

Q: An aluminum atom has a mass of 4.48 x 10 -23 g and a small airplane has a mass of 5000. kg. Use this…

A: We have mass of 4.48*10-23 g , airplane have mass as 5000 kg .

Q: How much money, in dollars, does one mole of nickels represent?   If this amount of money were…

A: A Nickel is a currency coin mainly used in United States of America. The value of one nickel coin is…

Q: Calculate the number of oxygen atoms in a 80.0 g sample of dinitrogen tetroxide (N,04). Be sure your…

A:

Q: How many carbon atoms are there in a 1.0-carat diamond? Diamonds are a form of pure carbon. ( 1…

A: Given:1 carat=0.20gWe know,Atomic mass of C=12.0107g/molalso, 1 mol of C=6.022×1023 atoms of C

Q: An oxygen atom has a mass of 2.66 x 10 g and a glass of water has a mass of 0.050 kg. Use this…

A: 1 mole  of a substance is equal to 6.023 x 1023 atoms/ions/molecules. 6.023 x 1023  is called as the…

Q: What is the mass of 2.5 x 1023  atoms of hydrogen?   What is the mass of 1.77x 1024 molecules of…

A:

Q: How many atoms are there in 11.1 g of sulfur? You will need to divide your answer by 1.0x10^23

A: The number of atoms in a compound is calculated as the product of number of moles and the Avogadro's…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.