Question 4: How many moles is 3.52 x 10^24 molecular water?

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A: We have to calculate the percentage of water by mass in the unknown hydrated compound that weighed…

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Q: When performing the gram stain, the the dye safranin is suspended in a 95% ethanol solution. If only…

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A: Given that : Mass of Galena (PbS) = 135 g The molar mass of PbS is 239.3 g/mol We have to calculate…

Q: Please don't provide handwritten solution ....

A: In the given question we have to calculate the volume of Carbon tetrachloride produced.  The given…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: In the given question we have to do the following conversion from mole/kg to mole/g .

Q: How many grams of zinc are in 2.055 mol of zinc?

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Q: Pure methanol, CH3OH(l), combusts very quickly. 2 CH3OH(l) + 3 O2(g) → 2 CO2(g) + 4 H2O(g) If 46.5…

A: Given 2 CH3OH(l) + 3 O2(g) → 2 CO2(g) + 4 H2O(g) 46.5 mol of  methanol and find the mass of water

Q: Gaseous ethane (CH,CH,) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

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Q: Liquid hexane (CH3(CH,) CH,) will react with gaseous oxygen (o,) to produce gaseous carbon dioxide…

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Q: Calculate the number of moles of carbon dioxide that are present in 192.9 g of carbon dioxide. Enter…

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Q: I am extremely bad at math and I need help understanding how to do unit conversions. I have these…

A: Thank you for the question. We’ll answer the first question since the exact one wasn’t specified.…

Q: Calculate the number of carbon atoms in a 80.0 g sample of glucose (C,H1,06). Be sure your answer…

A: Molecular formula =C 6H12 O6 Molar mass =6×12+12×1+16×6= 180gmol-1

Q: A mixture of ethanol and water is prepared in the lab. Ethanol has a density of 0.789 g/mL. 47.3 mL…

A: Given: Mass of water = 164.8 g Volume of ethanol = 47.3 mL Density of ethanol = 0.789 g/mL

Q: A major component of gasoline is octane (C3H18). When liquid octane is burned in air it reacts with…

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Q: O CHEMICAL REACTIONS Using molarity to find solute mass and solution volume -7 Calculate the volume…

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Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

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Q: Gaseous butane (CH₂(CH₂)₂CH3) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide…

A: It is based on the concept of stoichiometric combustion reaction. Here we are required to find the…

Q: A solution is prepared by adding 15.0L of acetone to a sample of pure water, and the total volume of…

A: It is based on the concept of concentration terms .Here we are required to find the volume…

Q: Liquid hexane (CH,(CH,) CH, will react with gaseous oxygen (0,) to produce gaseous carbon dioxide…

A: The complete combustion reaction of hexane + O2 is 2C6H14 + 19O2 --------> 12CO2 + 14H2O

Q: A sample of 3.58 grams of potassium nitrate is weighed out on a balance and prepared to a volume of…

A: Pottasium nitrate formula KNO3Mass of pottasium nitrate (w)= 3.58 gmVolume of water (V) = 2.50 ×102…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

A:

Q: Gaseous methane (CH4) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide (CO2)…

A: Given that : The mass of methane = 1.44 g The mass of oxygen = 7.3 g We have to calculate the…

Q: Calculate the concentration in mol/L of the chemist's iron(II) bromide solution. Round your answer…

A: given-mass of FeBr2 = 111 gvolume of FeBr2 = 250 mLto find-concentration in mol/L

Q: A major component of gasoline is octane (CH18). When liquid octane is burned in air it reacts with…

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Q: the moles

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Q: Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce…

A: given, mass of sulfuric acid = 2.94 g Mass of sodium hydroxide = 4.8 g

Q: A chemist prepares a solution of potassium permanganate (KMnO4) by measuring out 3.8 mg of potassium…

A: Weight of KMnO4= 3.8 mg = 3.8 × 10-3 g  (1g = 1000mg)  Volume (V) = 50 ml = 0.050 L (1L = 1000ml)

Q: Calculate the number of oxygen atoms in a 130.0 g sample of glucose (C,H120). Be sure your answer…

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Q: Use unit analysis to show how to calculate the mass of 17.2 mL of gold. (The density of gold is…

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Q: 0.45 mol ethanol V= ? L Express your answer using two significant figures.

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Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: Cancel out the units to get the required answer

Q: Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCl in drinking water is…

A: Moles of NaCl in 1L of 0.6M water = Volume × molarity = 0.06 moles.Mass of sodium = Moles × molar…

Q: Please report your answer in mL  to 3 decimal places. No units please.

A: The molarity is used to define concentration which is determine as the number of moles of solute…

Q: Liquid hexane (CH3(CH2),CH;) will react with gaseous oxygen (O,) to produce gaseous carbon dioxide…

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Q: what is the total volume of liquid delivered? how do i read the increments between. exactly how do i…

A: In order to find the volume of liquid delivered by the buret , we need to find the initial buret…

Q: concentration

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Q: Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce aqueous sodium…

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Q: A chemist must prepare 500. mL of 95.0 mM aqueous potassium permanganate (KMNO,) working solution.…

A: To approach this problem, the concept that we use is the concept of using equal milimoles of the…

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: We are going to determine the final unit.of this expression.

Q: Question 7: Calculate the mass in grams of each of the following:   A. 8.0 mol lead oxide (PbO)…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: Suppose you need a tank of oxygen that is 95% pure. Describe a process by which you could obtain…

A: Liquid nitrogen and oxygen are completely miscible, so the free energy of the mixture is everywhere…

Q: Aqueous sulfuric acid  H2SO4  will react with solid sodium hydroxide  NaOH  to produce aqueous…

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Q: Liquid octane (CH3(CH,) CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide…

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Q: A chemist measures the amount of chlorine gas produced during an experiment. She finds that 1.35 g…

A: Calculating number of moles:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.