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: If the molecular mass of a molecule that contains only C, H, and O, is 180.18 amu and there are 12…

A: • The values provided in the question are:-  i) Molecular mass of a molecule, C6H12On = 180.18 amu…

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: Compound X has a molar mass of 104.01 g mol and the following composition: element nitrogen fluorine…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: Convert 4.80 x 1021 molecules of H₂O2 to moles H₂O2.

A: Number of molecules of Moles of H2 = ?

Q: 4. If a given sample of silver and fluorine ideally combine to form 0.6mol of AgF, what is the…

A:

Q: ee Figure 7-8. Which of the structures shown in Figure 7-8 represents the host stable conformation…

A: Given -> Cis-1,4-dimethylcyclohexane  Cis(1,2),Cis(1,4)  -> (e,a) or (a,e)…

Q: In order to understand how this equation is derived and why it holds true, the product of each side…

A: 1) Given,             Molarity = 0.670 mol /L           volume = 0.100 L       we have to calculate…

Q: An aqueous solution is 22.0% by mass ethanol, CH3CH2OH, and has a density of 0.966 g/mL. The…

A: Since you have posted multiple independent question, we will solve the first question for you. If…

Q: • Part A The forensic technician at a crime scene has just prepared a luminol stock solution by…

A: A)

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

A: Principle of atom conservation states that the total number of atoms in reactant will be equal to…

Q: When doing a dilution, the concentration should go (up / down / stay the same). The total number of…

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: How many g of Na2SO3 are in 350 mL of 1.10 M solution?   ________ g (give answer with correct sig…

A:

Q: Suppose a 16.4980 g sample of a NaCl and KCl mixture contains 4.6815 g of NaCl. What is the percent…

A: Given,Total mass of the mixture of NaCl and KCl = Mass of sample of NaCl in the mixture = Percent,…

Q: 5)_NH; + 0.3359 mol of oxygen will make how many grams of water? NÓ +

A: Moles = Mass / Molar mass Mass = Moles X molar mass.

Q: d. What is the final molarity of HCI? If the two gaseous products are collected separately, then…

A: The solutions are given below -

Q: 50mL of a 0.6M Pb(NO,), is mixed with an excess of Nal solution. What mass of precipitate would you…

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

Q: sample of waterer (density is 0.998 g/mL) is measured to be 25.7mL.  How many mole of water are in…

A: Given: The density of water is 0.998 g/mL. The volume of the solution is 25.7mL. The molar mass of…

Q: A solution of ammonia and water contains 4.80x1025 water molecules and 5.00x1024 ammonia molecules.…

A: Given That,A solution conatins 4.80×1025 H2O molecules and 5×1024 NH3 molecules.Avogrados no.of…

Q: 4. Subtract 3.58 x 10-2 kg from 1.41 x 101 ng and report your answer in g.

A: We know that kilogram, nanogram and gram are the units of mass.

Q: Name Acids Acetic acid Acetic acid Bases Common laboratory acids and bases Label concentration…

A: In this question, we have to solve both the parts with the given data.

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

A: Given : concentration of NaCl = 0.3 M And moles of NaCl to produce = 0.110 mol

Q: How many moles of H2SO4 are there in 184 mL of a stock solution that reads 0.264M ?

A: Volume of solution = 184 ml ...or because 1L = 1000 ml    so,  = 184 ml × (1L / 1000 ml )  = 0.184 L…

Q: I have 0.924 moles of a 0.376 M solution, what volume of that solution do I have in L?

A: Molarity = mole÷voulme  Voulme = mole÷molarity  Voulme= 0.924÷0.376= 2.45L

Q: After determining the mass of KCl needed to make the solution, what are the next steps in preparing…

A: The concentration of a solution is the amount of solute (Here KCl) present in a given quantity of…

Q: 2. A 1.235 g sample of unknown strontium chloride hydrate was found to have 0.511 g of water…

A: Given : Mass of hydrate compound = 1.235 g And mass of water present = 0.511 g

Q: 4. Does 1 g of hydrogen molecules contain as many H atoms as 1 atoms? of hydrogen

A: A mole is amount of substance which contain same number of units as the number of atoms in 12 gm…

Q: Equation A: Equation B: Equation C: Equation D: Equation E: Equation F: Equation A Equation B…

A: -> Strong acids and bases are the ones which dissociate completely in a solution .  -> A weak…

Q: Hydrogen peroxide , H_{2}*O_{2} is a colorless liquid . A concentrated solution of it is used as a…

A:

Q: How many moles of H2SO4 are there in 184 mL of a stock solution that reads 0.264M ?

A: Molarity (M) is the amount of a substance in a certain volume of solution.

Q: 42. What is the molarity of 325 mL of a solution containing 46.80 g of NaHCO,? (3 sig figs)

A: We have to calculate the molarity of solution