What is the mass, in grams, of the following quantity of matter? a. 0.85 mole of copper atoms  grams

Q: How many grams do 3.6x10^24 atoms of boron weight?  Answer in Units of g

A: Given data,Number of B atoms=3.6×1024atomsMolar mass of B=10.811g/mol

Q: A chemist weighed out 101.g of magnesium. Calculate the number of moles of magnesium she weighed…

A: Mass of magnesium = 101 g  Molar mass of magnesium = 24.3 g/mol

Q: An 8-ounce glass of water contains 24.7 moles of hydrogen. How many hydrogen atoms do you drink per…

A: Answer :-  1.49 × 1025 hydrogen atoms.…

Q: If 1.460 g of magnesium ribbon combusts to form 2.265 g of magnesium oxide, what is the experimental…

A: Given: Mass of magnesium = 1.460 g Mass of magnesium oxide = 2.265 g

Q: Phogene (COCl2) can be manufactured by mixing carbon monoxide with chlorine gas. CO + Cl2 → COCl2…

A: CO + Cl2 .....> COCl2  Given that :  Moles of carbon monoxide(CO) = 7.25 moles

Q: How many items are contained in one mole of (a) baseballs; (b) bicycles; (c) Cheerios; (d) CH 4…

A: Hi, since you have posted questions with multiple subparts we will answer the first three subparts…

Q: you have 3.25 kg of water. How many moles of water do you have? the molar mass of water is 18.02…

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Q: if the average male has a body mass of 70 kg, of which 60% is water, how many moles of water are in…

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Q: 52. A room contains 19.4 moles of oxygen gas. How many 0, molecules are present in this room? What…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Ethanol (C2H5OH) and oxygen gas (O2) react to form carbon dioxide (CO2) and water (H2O): C2H5OH(l)…

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Q: Using dimensional analysis, convert 78 grams of Carbon into moles. (1 mol = molar mass of…

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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: Molar mass is the measured weight per unit mole of a molecule. The formula to calculate…

Q: A student weighs out 94.53 grams of sodium permanganate, NaMnO4.  How many moles of NaMnO4 is this?…

A: Moles— It is the ratio of given mass of a compound to its molar mass  Mole = given mass / molar mass…

Q: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

A: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

Q: In the explosion of a hydrogen-filled balloon, 0.50 g of hydrogen reacts with 4.0 g of oxygen. How…

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Q: Which has more mass, a mole of potassium or a mole ofsodium? Explain your answer.

A: The atomic mass of the element is equal to the sum of the number of protons and neutrons present in…

Q: 24 7. Aqueous silver nitrate reacts with solid aluminum to produce aqueous aluminum nitrate and…

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Q: Rust (??2?3) can be decomposed in the presence of hydrogen and heat to make water and pure iron. If…

A: The reaction that takes place between rust (Fe2O3) and hydrogen (H2) in the presence of heat is…

Q: How many moles is 23.67 grams of silver

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Q: A 1932 silver quarter has a mass of 6.25 grams. It is 10% copper and the remainder is silver. How…

A: Answer: Number of moles of a substance in the given sample is always equal to the ratio of mass of…

Q: Show all work for all parts of the question for full credit and use your units. Use 2 decimal places…

A: Interpretation -  For KNO3 ,  what is the molar mass - To determine the percentage composition in…

Q: Determine the number of carbon atoms in a 381 mg tablet of acetaminophen (C3H9NO2). Given: Molar…

A: Given: Mass of C8H9NO2 = 381 mg = 0.381 g                  (Since 1 g = 1000 mg) And molar mass of…

Q: What is the amount of Ne in moles in a 355 gram sample of Ne? (Molar mass of neon = 20.18 g/mol)…

A: Given   mass of Ne            = 355 gram  Molar mass of Ne  = 20.18 gram/mole  Number of mole of Ne…

Q: For the making of water oxygen and hydrogen are needed. If you had 10 grams of hydrogen gas. How…

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Q: A cleaning bottle contains 83.1 g of ammonia. How many molecules of ammonia are in the bottle?

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Q: Oxygenated hydrocarbons (Oxy-HCs) are hydrocarbons that contain oxygenated functional groups, such…

A: Given,  The mass of C4H8O3 = 102.3 g.  The total number of moles of C4H8O3 molecules is:

Q: The mass of water produced from 0.839 mol of ammonia

A: As given in the question- The reaction which leads to the formation of water using ammonia is the…

Q: A flask contains 3.75 moles of hydrogen gas. How many hydrogen molecules are present in the flask?…

A: We are having 3.75 moles of hydrogen gas. Hydrogen gas exists as H2 molecule.

Q: 15.0 g of iron is allowed to react with air to produce Iron III Oxide. If the reaction is complete,…

A: solution is followed as:

Q: What is the mass of 0.25 mol of water?

A: Mass of water = moles of water x molar mass of water                         = 0.25 mol x 18 g/mol…

Q: Use the References to access important values if needed for this question. 1. How many MOLECULES of…

A: Q

Q: A water bottle contains 54 g of water. How many water molecules are contained in the bottle?

A: Given data is as follows: The mass of the water = 54 g The molar mass of Water (H2O = 18 g/mol As we…

Q: Which of the following has greater mass: 2 atoms of mercury or 3.41 × 10-23 mol of beryllium? 3.41 ×…

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Q: moles ot

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Q: A platinum block is made with 0.017 mole of the metal. How many platinum atoms are there In the…

A: Given that the number of moles of platinum is 0.017 mol. Number of atoms of platinum can be…

Q: A soda can contains about 14 grams of aluminum (Al), the most abundant element in Earth's crust. How…

A: A soda can contains about 14 grams of aluminum. Given Moles of aluminium is 52 moles

Q: Part B Calculate the mass of water produced when 9.54 g of butane reacts with excess oxygen. Express…

A: Given, Mass of butane (C4H10)  reacts = 9.54 g Excess reactant - O2 (Oxygen gas) Limiting reactant -…

Q: Part a) Mr. Scholl likes to grow tomatoes in his backyard garden. Last year he grew a 6.27 × 10 to…

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Q: Consider the reaction between hydrogen and oxygen gases to form water:2H2(g) + O2(g) → 2H2O(l)If 8.5…

A: In order to calculate any particular product's amount (in grams), first determine the ratio between…

Q: a rain drop has a mass of 50mg and the entire pacific ocean has a mass of 7.08e20kg. What is the…

A: The mass of the rain drop is 50 mg = 0.05 g. The mass of entire Pacific Ocean is 7.08 × 1020 Kg.

Q: Answer the following questions using the data in the table below.  See the calculations section…

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Q: moles

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Q: In a combustion reaction, 32.4 g of hydrocarbon reacts with 96.0 g of oxygen to produce water and…

A: Given :- Mass of Hydrocarbon = 32.4 gram Mass of oxygen = 96.0 gram Mass of water = 60.6 gram To…

Q: How many grams are present in 17.82 moles of X? (Assume that the molar mass of X is 40.38 grams per…

A: Given, Molar mass of X = 40.38 g/mol Moles of X = 17.82 moles Mass of X = ?

Q: A beaker is filled with 2.5 moles of sugar. How many sugar molecules are in the beaker?

A: 1 mole of any compound consist of 6.022 x 1023 molecules.

Q: What is the mass of a nitrogen dioxide molecule ? grams

A: The formula of nitrogen dioxide is NO2