Al:CuCl2 ratio Mass of Al (g) Calculated mass of CuCl2 (g) 1:1 mass ratio 0.250   2:1 mass ratio 0.250   2:3 mass ratio 0.250

Q: a. What is the mass of 1.49 x 1024 atoms of chlorine? grams b. What is the mass of 9.12 x 1023…

A: a) mass of 1.49×1024 atoms of chlorine.

Q: 12. What mass of carbon di a. 0.468 g b. 2.81 g

A: Given reaction,  C6H14 + 13CO2 -------->6CO2 + 7H2O we have to find mass of CO2 produced by 5.50…

Q: A 2.45 g sample of magnesium completely reacts with oxygen to form 4.06 g of magnesium oxide. Use…

A: Given : Mass of Mg = 2.45g Mass of MgO = 4.06g

Q: Given the data below, calculate the mass of copper in the original sample. Mass of original sample…

A: This question can be solved using simple subtraction.

Q: 5. Aspirin has the formula CyH3O4. How many atoms of oxygen are there in a table weighing 360 mg? a.…

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Q: What is the number of Carbon atoms in this chemical formula?   C_{11}H_{24}

A: The chemical formula is used to represent a compound. The given chemical formula of the compound is…

Q: Suppose you are given 2.50x 104 pg of aluminum sulfate, Al(SO4)ls (s) (density = 2.672 g/cm³) a. How…

A: a) In the first problem we need to find out the number of oxygen atoms present in the given sample.…

Q: We have 425 cm3 of a material. How many g is it? The material has density of 0.345 g/cm O 68.0 g O…

A: We have to find mass ,volume and density  is given in the question  Volume of the material = 425 cm3…

Q: Select the set-up for the mass % of fluorine, F, in PF3. O (27/42) x 100 O (9/42) x 100 O (19/50) x…

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Q: The chemical name for Tums is calcium carbonate, CaCO3, is used to treat symptoms caused by too much…

A: Given: Mass of CaCO3 = 522.61 mg = 0.52261 g                                                 (Since…

Q: You are working in the laboratory preparing sodium chloride. Consider the following results for…

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Q: What is the mass in grams of 1.15 x 10^24 atoms of manganese?

A: 1 mol Mn has mass equal to  59.94 g  1 mol Mn = 6.022 × 1023  atoms of Mn

Q: 1. Fe + CuSO, → 2. Zn + 0,→ 3. Sil, + Mg

A: 1)Fe + CuSO4  -----> FeSO4 + Cu (a type of displacement reaction in which more reactive Fe…

Q: Which of the following samples of gases contains the greatest number of atoms? (Relative atomic…

A: 4th option is correct that is 13.0 g of C2H6

Q: 6. CCl,F2 7. Mg (OH) 2 8. UF6

A:

Q: A sample of C,H, has 9.28 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

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

Q: Cu20(s) -170.7 92.4 CuO(s) -156.1 42.6 Cu(s) 33.2

A:

Q: C2H5OH= (-234.8) O2= (0) CO2= (-393.5) H2O= (-285.8)

A: Given that : Standard formation enthalpy of C2H5OH= -234.8 kJ/mol Standard formation enthalpy of O2=…

Q: 4. NOCI 5. NO; 6. H;SO:(aq) 7. SO3 8. НCN

A: Molecules have different type of shapes and hybridization depending on number of participating atoms…

Q: A. 2NO2(g) → N2O4(9) B. Fe(s) → Fe(1) C. 302(g) → 203(g) D. 12(g) → 12(s) E. 2Fe(s) + O2(g) →…

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Q: Na,CO3(aq) + CaCl2(aq) → 2 NaCI(aq) + CaCO3(s)

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Q: 4. Li (s) + Cr2(SO4)3 (aq) > 5. Mg (s) + FESO (aq)> Al (s) + NISO (aq)> 6.

A:

Q: Una masa de mercurio ocupa 0.750 L Qué volumen ocuparia una masa igual de etanol? La densidad del…

A: Note - Since you have asked multiple question, according to our policy, we are supposed to solve…

Q: What is the mass of oxygen atoms in 0.305 moles of Fe(CO)5 ?

A: 1 mol Fe(CO)5 contains 5 moles of oxygen atom. Mass of oxygen = number of moles of oxygen × molar…

Q: Calculate the mass of 816 molecules of Cu(NO3)2.

A: We know , 1 mole of substance = 6.022 × 10²³ Molecules By using this relation , we can calculate the…

Q: What is the mass, in grams, of exactly 230 sodium atoms? Would it be the same answer only in grams?…

A: Steps to convert atoms to grams • Convert atoms to moles - Divide the number of atoms with Avogadro…

Q: Given your experience in mass determinations and with volumetric glassware, which factor used in…

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Q: what is the mass in grams of 1.49 x 10^17 chromium atoms?

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Q: A sample of C,H, has 9.28 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A: Interpretation-  To determine the carbon atom in the give molecule C3H8 - To determine the total…

Q: The formula for sulfur hexafluoride is . a. How many molecules are in 2.24 grams of sulfur…

A:

Q: Commercial ibuprofen tablets contain 200 mg of ibuprofen each. The commercial tablets have the…

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

Q: 55: A sugar crystal contains approximately 1.8*107 sucrose (C12H22011) molecules. What is its mass…

A: To calculate the mass from molecules, we need to calculate the number of moles of a substance in the…

Q: An analytical chemist measures the amount of Elements E, and E, in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: The atomic mass of titanium (Z = 22) is 47.87 amu. How many atoms are present in 45.5 g of titanium?…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: 1. Determine the number of atoms in 0.475 g of palladium (Pd). atoms 2. Determine the mass of 139…

A: One mole of any element contains approximately 6.022 x 1023 atoms of that element. Therefore, to…

Q: 4. N- 1) CH31 (еxcess) 2) Ag20 3) A H2N CCH2CH3 1) NaNO2, H20, HCI 2) HBF4 3) A 5. 6.

A: ->Amine has nucleophilic character because Nitrogen has loan pair hence, give nucleophilic…

Q: re the masses of C and H ( in grams)? (MM C = 2.01 g/mol, MMH = 1.008 g/mol) (A) 55.19 g and 10.81 g…

A: Theoretical yield = actual yield/% yield

Q: A 1.58 mole sample of a pure unknown substance has a density of 1.87 g/cm3. If the sample occupies a…

A: Given,Density = 1.87 g/cm3Volume = 188 cm3Mole = 1.58 mole

Q: If 81.17 grams of aluminum and 72.03 grams of the iron oxide are used, what mass of iron was…

A: Mass of Iron produced depends on limiting reagent.

Q: A study of the Earth by The National Aeronautics and Space Administration (NASA) determined there…

A: Given  7.00 x 1011 tons of carbon    Conversion factor:  1 ton = 907.19 kg  1 kg = 1000 g = 103 g…

Q: What is the mass of 8 atoms of copper in grams? 8.44 x 10-22 g 1.33 × 10-23 g X 508 g 7.58 x 1022 g…

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Q: How many molecules is 9.88 x 10^13 grams of ZnCI2, zinc chloride

A: Avogadro number: It can be defined as by saying that the number of units in one mole of any…

Q: t2 = 20.9 Hns typ = 0.603/K k = 0•693 O: 693/20.9 0.693 K = E a.033 br

A: Half life It is the time when the Concentration becomes half of the initial Concentration

Q: A sample of C, H, has 4.64 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

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Q: What is the mass, in grams, of 7.82 x 1016 molecules of oxygen?

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Q: 1. CaF₂ 2. MgCl2 3. K₂0 4. FeO 5. ZnO

A: Binary compounds are those which are made up of two distinct elements.

Q: a. What is the mass in grams of 5.01 x 1023 a. What is the mass in grams of 5.01 × 10° atoms of…

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Q: An 8.53 mg sample contains 1.72 mg of phosphorous.  What is the mass percentage of phosphorous in…

A: Given  mass of phosphorous = 1.72 mg mass of compound = 8.53 mg  Formula : mass percentage of…