What is the mass in grams of 8.91x 1016 chromium atoms?

Q: The mass of a proton is 1.67*10^-27kg. What is the mass of a proton in gigagrams?

A: Kilogram is a small unit while gigagrams 1kg=10-6gigagram So 1.67×10-27kg have 1.67×10-27×10-6…

Q: A chemist adds 210.0 mL of a 3.63 x 10 -5 mM mercury(II) iodide (Hgl,) solution to a reaction flask.…

A: Number of moles = Volume (L) x Molarity Mass = Number of moles x molar mass 1 g = 106 micro gram

Q: The radius of an atom of gold (Au) is about 1.35 Å. Part A: Express this distance in nanometers…

A: Radius of

Q: the total mass of these atoms?

A:

Q: A titanium cube contains 3.25 x1023 atoms. The density of titanium is 4.50 g/cm Part A You may want…

A: Given : Number of titanium atoms in cube = 3.25 X 1023 atoms And density of titanium cube = 4.50…

Q: Calculate the total mass of sodium chloride in the world's seawater. The total mass of sodium…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: An average fly has a mass of 0,048 grams, An average ant has a mass of 3,12 × 10-à grams. • Would…

A: Solution - According to the question - Given - First, we should solve 10^-3 = 0.001 "for the ants"…

Q: A pure titanium cube has an edge length of 2.85 inin . How many titanium atoms does it contain?…

A: Edge length of pure titanium cube = 2.85 in Density  of titanium = 4.50 g/cm3

Q: Explain in your own words, by writing a short paragraph, how the atomic theory explains…

A: Law of conservation of mass states that atoms are neither created nor destroyed during a chemical…

Q: Calculate the number of oxygen atoms in a 50.0 g sample of iron(III) oxide (Fe,0,). Be sure your…

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Q: 2. A chemistry teacher searching for his golf ball in the trees this summer found a magical pool of…

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Q: Determine the mass (in kg) of a silver sphere with a diameter of 8.25 in.

A:

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: a room contains 4.23 x 10^24 molecules of oxygen. what is the mass of oxygen in the room?

A: Number of mole of substance is calculated by dividing mass of substance (m) to molar mass (M) of it…

Q: An antacid tablet weighing 0.938 g contained calcium carbonate as the active ingredient, in addition…

A: We know that, according to the law of conservation of mass in a chemical reaction, the mass of the…

Q: 20. As an instructor is preparing for an experiment, he requires 425 g phosphoric acid. The only…

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Q: Since the Geologists at Grasberg know the density of gold to be 19.32g/cm^3 they were surprised by…

A: Density is defined as mass per unit volume of the substance  . Metals have high density as compared…

Q: initial mass of erlenmeyer flask 123.221 g final mass of erlenmeyer flask 133.203 g mass of water…

A: Mass of water = 10 g Volume of water = 10 mL Density of water = ?

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: A sample of a compound consisting only of copper and sulfur contains 88.39 g of metal and 44.61 g of…

A: Since the compound is consisting only of copper and sulfur And since copper is a metal and sulfur…

Q: a 2.86E1 g sample of NaHCO, how many grams of sodium are present? Use two decimal places in atomic…

A: Given weight of NaHCO3 = 2.86 E1 = 2.86 × 101                                                = 28.6…

Q: Mercury is 16.716 times more massive than carbon-12. What is the atomic mass of mercury? Remember to…

A: Given that: Mercury is 16.716 times more massive than carbon-12. This can be expressed…

Q: 3. The following shows a chemical reaction between carbon dioxide and water to form carbonic acid:…

A: The smallest particle of a compound refers to an ion, an atom or a molecule. Three elements :…

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km. Suppose a…

A: Diameter of the wire = 0.080 mm Weight of wire per km = 44.5g   Weight of wire used to wind a magnet…

Q: What is the mass of 1.86x10^24 molecules of nitrogen

A: first find the no. of moles of N2  then find mass by multiply by its molar mass

Q: Gallium has a density of 5.9 g/mL. How much mass do 54.2 mL of Gallium have? 319.78 g 319.8 g 320 g…

A: •Given :-density of gallium=5.9 gm/ml                Volume=54.2 ml   • As we know density formula…

Q: The volume of styrene that has the same weight as 1.55 mL of gold is 33 mL. What is the density of…

A: The density is the mass per unit volume of any substance. It is basically calculated by dividing the…

Q: How many cm3 are there in 2.5 m3?

A: Given, 2.5 m3  Conversion factor : 106

Q: What is the mass in carrots of a diamond measuring 2.0 ml

A: The mass in carats of a diamond measuring 2.0 ml is to be calculated. Given: Volume of diamond = 2.0…

Q: In the picture below, determine how many atoms with a radius of 37pm can fit into a 1.00" box.…

A: Given: The radius of the hydrogen atom is 37 pm. To find: Number of atoms

Q: Iron is found in Earth's crust as several iron compounds Calculate the mass (in kg) of each compound…

A: Given :- mass of Fe in FeCO3 = 6.3 × 103 kg  To calculate :- mass of compound (in kg)    Molar mass…

Q: 14.255 g of a compound with the molecular formula C5H4N4 contains ______ carbon atoms. Report your…

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

Q: A cube of an unknown metal measures 1.61 mm on one side. The mass of the cube is 36 mg. Which of the…

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Q: Determine the mass (in kg) of a gold block with the dimensions of 2.75 in x 5.69 in x 5.16 in.

A: Length  = 2.75 in =  2.75×2.54 cm= 6.985 cmBreadth  =5.69in=5.69  ×2.54 cm=14.4526 cmHeight  = 5.16…

Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

A: A question about the relationship between mass and density, which is to be answered.

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km. Suppose a…

A: Given, weight of the copper wire per km of length is ------ 44.5g The mass of wire that is used to…

Q: You are given 3 unknown cylinders eac with masses of exactly 25.00 g. Your choices of metal have the…

A: To solve this we will use  Density = mass / volume  We  will calculate the volume using this formula…

Q: Using your measured density (8.81g/cm3), and the knowledge that %Zn + %Sn = 5.00%, calculate the %Sn…

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Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg, (Si₂O), (OH)₂ An…

A: Please find your solution below : A mole is defined as the amount of substance that contains…

Q: A chemist adds 170.0 mL of a 5.72M silver nitrate (AgNO, solution to a reaction flask. Calculate the…

A: Dear student I have given answer to your question in the image format.

Q: The mass of an atom of silver is 1.79 × 10-22 g. How many atoms are in a  0.65  lb sample of silver?…

A: Mass of an Silver atom = 1.79 * 10-22 g/atom Total sample of silver = 0.65 lb

Q: 1 of 3 The shattered glass case at the scene of a jewelry store robbery was determined to be made of…

A: Given:Mass of glass fragment = 2.636 g.Volume of  glass fragment = 0.864 mL.

Q: Calculate the mass of tetraborane (B,H10) that contains a billion (1.0 × 10°) boron atoms. Be sure…

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Q: The element bromine at room temperature is a liquid with a density of 3.12 g/mL. Calculate the mass…

A: The relation between density, mass and volume is given as,

Q: A copper strip has a mass of 4.67 gram and volume of 0.523 cm3. What is the density of the copper…

A: Density : Mass of any substance present per unit volume is the density of that substance. Generally…

Q: grams of carbon

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

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Q: I need help with #4.

A: We have to calculate the mass in grams of 20 neon atoms given thatMass of one average neon atom =…

Q: The owner of a rock shop claims that a nugget is pure gold.  When the nugget is placed into a…

A: Given that : The initial volume in the graduated cylinder = 50.0 mL The final volume in the…

Q: Calculate the number of oxygen atoms in a 140.0 g sample of dinitrogen tetroxide (N,0). Be sure your…

A: First calculate the number of moles of N2O4, then from the formula as we see 1mol N2O4 = 4 mol…