What is the mass of 1.91 x 10^23 atoms of nitrogen? ____ grams What is the mass of 3.91 x 10^23 molecules of nitrogen? ____ grams What is the mass of 1.10 x 10^24 atoms of oxygen? ____ grams What is the mass of 9.26 x 10^23 molecules of oxygen?  _____grams

Q: How many centiliters of sulfuric acid are in 32.9 x 10-23 molecules of acid? The density of…

A: Here we have asked that how many centilitres of sulfuric acid are present in 32.9 × 10-23 molecules…

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:

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: I. Determine the number of significa 1. 8.314 g 2. 5.008 x 10-2 mM 3. MMNACI = 58.44 g/mol %3D 4.…

A: According to guidelines, only 3 sub parts have to be answered.

Q: What is the mass of 1 atom of krypton? Group of answer choices 1x10-22 g 5x1025 g 2x10-26 g…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: There is one mole of water in the beaker.  A student measured the weight of the 1 mole of water of…

A: Molar mass: The molar mass of an element or compound is defined as the mass of one mole of that…

Q: A chemist adds 415.0 mL of a 3.59 × 10 mM magnesium fluoride (MgF,) solution to a reaction flask.…

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

A: 1 mol of a substance contains Avogadro number of atoms.  Therefore 1 mol aluminum contains…

Q: Someone invents new units of measurement: grobs, hulks, and blubs. They define that 1 hulk is equal…

A: Given new units of measurement 1 hulk = 10-3 grob 7 bulbs = 377 hulks We can relate bulbs with grob…

Q: 9.87 g + 0.520 g g 9.607 g – 1.00 g %3D g 7.77 g - 1.4 g %3D g

A: In addition and subtraction,  the minimum significant figures in final answer is same as fewest…

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: 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: If you have 52% silicon dioxide in a 12.09 g sample, what mass of silicon dioxide do you have?   Am…

A: Given, Mass % = 52%  Mass of sample = 12.09 g  Mass of SiO2 = ?

Q: A brick has a mass of 4.0 kg and the Earth has a mass of 6.0 x 10 1027 g. Use this information to…

A: First of all we know the number of moles equals to 6.022x1023quantity. So 1mole brick means…

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

A: Given,  Mass of 1 copper atom = 1.06 × 10-22 g Mass of a penny = 2.5 g Mass of 1 mole of copper…

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

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Q: What is the mass of 74.5 Liters of gascous Lead I oxide? What is the mass of 50.0 grams of O;?

A: In international system of unit, there are seven basic units. Out of those seven unit Mole is one of…

Q: A chemist adds 415.0 mL of a 9.84 × 10 "M magnesium fluoride (MgF2) solution to a reaction flask.…

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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: 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: alculate the density of the metal object based on the information given below. stopper + flask =…

A: Given- ( stopper + flask) W1 = 26.9035 g   (stopper + flask + metal) W2 = 37.7932 g  ( stopper +…

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

A: Mass of virus = 9 × 10-12 mg                                              (As, 1 mg = 10-3 g)…

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: 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: 9. Volume of Metal Pieces 10. Density (8/9) 8. Mass of Metal Pieces (4–2) (4–1) mL g/mL (5-2) (5–1)…

A: The data given is,

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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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: Solve the following, round to the correct number of the significant figures and chose the correct…

A: Density =mass/volume

Q: What is the mass of 3.981 x 10^25 molecules of ammonium chloride, NH4Cl? An unknown gas is found to…

A: Welcome to bartleby !

Q: A sample of gaseous neon atoms at atmospheric pressure and 0 degrees C contains 2.69*10^22 atoms per…

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Q: Complete the table below. I| mg 2 g dm 8 m 8 ks S 300 cL %3D II

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Q: how many Br2 molecules are present in a 1.0-mL sample of pure liquid bromine?

A: Number of moles = mass/molar mass  1 mol contains 6.022 × 1023 molecules

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: What is the mass of 1.89x10^23  atoms of chlorine?

A: Mass of 1 mol Cl = 35.453 g  Mass of 1 mol Cl2 = 70.906 g  1 mol contains = 6.022 × 1023…

Q: 1. A sample of acetic acid has 5.82x10^25 molecules. How many grams of oxygen are present?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A cube of metal is 3.12 cm along edge.  The volume of this cube is [a] cm3  .

A: We can calculate the volume of the cube by doing height multiplied by width multiplied by depth.…

Q: A piece of alminum foil contains 3.6 x 1021 aluminum atoms.  1) What is the mass of the aluminum…

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Q: An oxygen atom has a mass of 2.66 × 10 – 23 g and a glass of water has a mass of 0.050 kg. Use this…

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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: An aluminum atom has a mass of 4.48 x10 -23 g and a small airplane has a mass of 5000. kg. Use this…

A: Avogadro's number is the number of units in one mole of any substance equal to 6.022×1023. The units…

Q: Someone invents new units of measurement: grobs, hulks, and blubs. They define that 1 hulk is equal…

A:

Q: grams of carbon

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Q: An iron atom has a mass of 9.27 × 10 - 23 g and a cooking pot has a mass of 0.500 kg. Use this…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

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: How many moles are there in 1.0 g of the element Al? Your answer must contain the correct number of…

A: Moles can be expressed as the ratio of mass of the solute to the molar/atomic mass of solute. i.e.…

Q: What is the mass of 1 atom of krypton? a-3x10-22 g b-9x10-22 g c-2x10-26 g d-5x1025 g e-1x10-22 g

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".