How many atoms of sulfur are in 499 g of Na₂S₂O₃ ?

Q: sample of the unknown compound was placed in a weighed drying pan and heated to give the data below.…

A: Given that the experimental data:   Mass of the drying pan m1= 1.445 g Mass of drying pan and…

Q: A 2.611 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: Mass of Organic Compound = 2.611 gMass of CO2 = 6.751 gMolar mass of CO2 = 44 /moleNo of moles of…

Q: How many 5s electrons are in Ag? Express your answer as an integer.

A: Atomic   number of Ag is 47.Electronic configuration of Ag is, [Kr]  4d10

Q: 3.34×1022 HeHe atoms Express your answer using three significant figures.

A:

Q: What about the percent N in the ammonia ion NH4+?

A: Ionic weight of ammonium ion, NH4+ is 18.04 amu.

Q: What is the Empirical Formula for the compound comprised of elements Z=7 and Z=34? Give your answer…

A: The names and electronic configurations of the elements correspond to the atomic numbers 7 and 34…

Q: (c) Give IUPAC names or structures. F -ד FF

A: 1.Identify the Longest Carbon Chain: Find the longest continuous chain of carbon atoms (the parent…

Q: If 5.180 g of a pure element contains 4.909×1022 atoms, what is the element? The element is: (Enter…

A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass

Q: (a) In the certain hydrated salt MSO3-4H20, the mass percentage of H20 is 44.71%. Identify the…

A:

Q: 3.1 Atomic Mass 1) Chlorine exists as a mixture of 2 major isotopes, Chlorine-35 and Chlorine-37.…

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

Q: Use the References to access important values if needed for this question. plete the table below for…

A:

Q: Magnesium, Mg, reacts with sulfuric acid, H2SO4, according to the following chemical reaction. How…

A: A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or…

Q: What is the empirical formula of C18H1406N12? Li Be Na Mg Rb Sr Fr Ba La C₂H₂O₂N₂ F Sc Ti Periodic…

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

Q: The correct result (indicating the proper number of significant figures) of the following…

A: To determine the correct result with the appropriate number of significant figures, we need to…

Q: Calculate the mass, in grams, of 922 atoms of potassium, K (1 mol of K has a mass of 39.10 g).

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

Q: Can you work this problem out for me. I'm lost! How many atoms fo Cl are in 5 mols of carbon…

A: Molecular formula of carbon  tetrachloride is  CCl4  1 molecule of carbon tetrachloride contains 4…

Q: If 15.3 grams of a certain "tomato" fertilizer is found to contain 2.49 grams of phosphorus as P2O5,…

A: The values are provided in questionmass of fertilizer = 15.3 g mass of P2O5 = 2.49 g find out the…

Q: How did u get 2.303? I don't understand how you came up with that number and can you plz type the…

A: For first order rxn , ln[A] - ln[Ao] = -kt  ln[Ao ] - ln[A] =   kt  ln ( [Ao ] / [A] ) =…

Q: 3.34×1022 HeHe atoms Express your answer using three significant figures.

A:

Q: - Part A If Avogadro's number of pennies is divided equally among the 276 million men, women, and…

A: We know that, Avogadro's number of pennies = 6.022 x 1023 pennies. Convert these pennies into…

Q: On combustion analysis, a 0.450 g sample of a chemical compound gves 0418 water and 1.023 g of…

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Q: How many atoms of Na are in 45.0 g of Na2CO3  ( Na2CO3 = 105.99 g/mol) Your answer should be…

A: In this question, first of all number of moles of Na2CO3 is determined and then with the help of…

Q: Question 10 of 31 Determine the mass in grams of 3.00 x 1021 atoms of arsenic. (The mass of one mole…

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Q: 1. How many ATOMS of carbon are present in 7.87 grams of carbon tetrabromide, CBR4? atoms of carbon

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

Q: 4 A compound is 64.9% carbon, 13.5% hydrogen and 21.6% oxygen. Its molecuia mass is 74 g/mol. What…

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Q: How many atoms of zirconium are in 0.3521 mol of ZrSiO?

A: We know 1mole= 6.022x1023 In 1 mole of ZrSiO4 there is one mole Zr. it is evident from the formula…

Q: 2-38. Calculate the number of grams of sulfur in 5.585 grams of the compound sulfur trioxide. 2-45

A: The number of moles of a substance is determined as the mass of the substance upon its molar mass.…

Q: Fictional, not on PT. I found a family of compounds that contain only A, X and Z elements in…

A: Empirical formula gives the idea about the simplest as well as whole number ratio of individual…

Q: Using the average atomic masses for each of the following elements, calculate the mass, in amu, of…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: How many grams of nitrogen atoms are present in a sample of N4Og if there are 4.893 grams of oxygen…

A: Given, mass of oxygen atoms = 4.893 grams Molar mass of oxygen = 16.00 g/mol

Q: Determine the mass in grams of 8.29 × 1021 atoms of copper. The mass of one mole of copper is 63.55…

A:

Q: า Macmillan Learning How many moles of sodium, Na, are in 1.73 x 1024 Na atoms? @ 1.73 x 1024 Na…

A: Given, Number of atoms of Na = 1.73 × 1024 Na atoms Number of moles of sodium, Na = ? Note:…

Q: a. Br₂(l) is [Select] b. C8H18(l) is [Select] c. AgCl(s) is [Select] d. PC13(s) is [Select] ✓in…

A: Solubility follows a general rule like dissolve like this means that polar solutes are soluble in…