QUESTION 8: Metals react with oxygen gas to form metal oxide. For example, magnesium reacts as follows: 2Mg(s) + 02(g) → 2M90(s). What is the mass (in grams) of magnesium oxide that can be prepared from 1.40g of 0,? G: 1.40g 02 м: 1тol 0z %3D 32g 02 1 mol Mgo = 40.31g MgO MR: 2mol Mg0 = 1mol 0, CHOICES: А. 5.33g MgO В. 33.5g MgO С. 5.33g MgO D. 3.53g MgO

Q: How can the Molarity be calculated?

A: Molarity can be defined as the moles of solute per litre of the solution. Its unit is mol/L. It is…

Q: The mass per unit volume of a pure substance is defined to be its density. Calculate the volume of…

A: Given  Mass = 4.3 kg = 4.3 x 103 g Density  = 607 g/L

Q: the question is the poto attatched. Additional information to help: the volume of NaOH is 10.50mL…

A: The answer is given as follows

Q: 12) A 500.0-g sample of NaOH (Molar mass= 40.00 g/mol) is dissolved in 1.75 L of solution. What is…

A: Molarity = Moles of Solute/Volume of solution (L) Moles of solute = Mass of Solute/Molar mass of…

Q: How many moles of NaOH are in 335.9 mL of 2.97 M NaOH?

A: Given that, Volume of solution = 335.9 mL = 0.3359 L Molarity of NaOH = 2.97 M Then, Moles of NaOH…

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Q: 1. A 25.0 mL aliquot of 0.02 M HCNO (weak acid) is titrated with 0.15 M NaOH (strong base).…

A:

Q: Please help me, and double and triple check your answers previous tutors got questions wrong

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Q: If I have 0.82 moles of a 0.3 M solution, what volume of that solution do I have in L?

A: Molarity is defined as the moles of solute dissolved in 1 L solution. Molarity=Moles of solute…

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Q: Calculate the following quantity. Show your complete solution.  1.) mass in grams of 1.95x1026 HCl

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A:

Q: If you add 0.023 moles of ethanol to a 500. mL flask and fill to the 500 mL mark with water, what is…

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A: A)

Q: Use the following to answer questions A &B Mg N. + v. K0 → MgO + K3N A. If 14 moles of potassium…

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A: Molarity = no.of moles of Solute/volume of solution in L

Q: How many moles of ammonium ions are in 125 mL of 1.40 M NH4NO3 solution? ________ moles (give answer…

A: Molarity of a solution can be calculated by dividing the number of moles of solute with the volume…

Q: Question 3 If you surpass the mark when filling the volumetric flask upon making the sample…

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A: We have to calculate the volume of the solution in mL.

Q: If 0.96 mL of a 0.128 M HCl solution is diluted with water to a total volume of 10.00 mL, what is…

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A:

Q: What is the molarity of a solution that contains 57.7 g Naz2CO, in 4.00 L of sole In the 'Answer…

A: Titration is the quantitative method of estimating the strength of the any component. Molarity is…

Q: Calculate the molarity of 81.0 g of HCl in 1.50 L of an HCl solution. Express your answer with the…

A: Mass of HCl = 81.0 gram Volume of HCl = 1.50 L Molar mass of HCl = 36.5 g/mol

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A: Formula- Molarity (M) = Moles of soluteL of solution

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A:

Q: How many mL of 0.300 M NaCl solution are required to produce 0.110 moles of NaCI?

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Q: how many milliliters of 0.659 m h3po4 will contain 0.12 mol h3po4

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Q: Find the number of moles of water that can be formed if you have 114 mol of hydrogen gas and 62 mol…

A: 1. Solution -