Al2(CO3)3 contains ___ Al3+ ion(s), ___ C atom(s) and ___ O atom(s).

Q: What is the mass of 4.50 x 10- Cu atoms? Multiple Choice 7.47 x 10 amu 7.47 x 10 g 4.75 g 63.55 amu

A: Calculation of mass of cu atom:

Q: Show, with calculations, how the following data illustrate thelaw of multiple proportions:Compound…

A: Given information; The mass % of sulfur in compound 1 is 47.5 and mass % of chlorine in compound 1…

Q: 1. Complete the following table. cation Anion No. Compound Empirical Formulas a. Potassium sulfide…

A: Writing the table below:

Q: A sample of CH2F2 with a mass of 19 contains atoms of F. O 2.2 x 1023 O 9.5 9 3.3 x 1024 4.4 x 1023…

A: The molar mass of C = 12g/mol The molar mass of H = 1g/mol The molar mass of F = 19g/mol

Q: Compositional Name Hydrogen bromide Dinitrogen pentaoxidle Elements Formula Fill in the blanks HBr…

A: We have to fill the blanks in each row as follows in step 2:

Q: How many oxygen atoms are in each chemical formula? (a) H3PO4                                  (b)…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: How many Atoms are there in 6CO2

A: We know that atoms are the smallest unit of matter.

Q: Potassium has three stable isotopes, potassium-39, potassium-40, and potassium-41. calculate the…

A: Potassium exhibit three stable isotopes, Potassium- 39, potassium - 40 and potassium - 41. Here, we…

Q: A sample of CH 2F 2 with a mass of 19 g contains atoms of F. 38 в) 3.3х 1024 c) 2.2 x 1023 D) 9.5 E…

A:

Q: I mol CCI2F2 = 9CC12F2 9/mol CCI2F2 %3D Listall How MUltiply all then add Atomic Elements %3D → many…

A:

Q: Consider two salt samples, 10.0 grams of Li2SO4 and an equal mass, 10.0 g, of Na2S2O3. Atomic…

A:

Q: Determine the number of N atoms in a sample of C7H5(NO2)3 that has the same number of O atoms as…

A:

Q: Atomic #-3 Symbol and Le structure Atomic Mass #= # of p+ = # of n= # of e-D

A: Atoms  important parameters are  atomic number  and mass number A Atomic number : Number of…

Q: CEN + ? MgBr (1). LIAIH MgBr b). MgBr c). ) d). LIAKO-t-Bu)3 e) DIBAH

A:

Q: A compound, A,S3, contains three S atoms per formula unit and is 43.71% sulfur. What is the atomic…

A: The compound with element A and sulfur is given by the chemical formula - A2S3 There are three 3 S…

Q: The following phosphorus sulfides are known: P4S3,P4S7, and P4S10. Do these compounds obey the law…

A: Law of multiple proportion states that when two atoms combine with each other to form more than one…

Q: A common Aluminium foil for household use is nearly pure aluminium. A box of this product at a local…

A: Given width of aluminium foil is 306 nm. Length of the aluminium foil is 23.3 mm Thickness of the…

Q: formula of a compound containing a group 4A metal, M, and a group 6A nonmetal, X,

A:

Q: What is the correct formula for phosphorus pentachloride? (a) PCl5 (b) P5Cl (c) P(ClO)5 (d) PO4Cl…

A: The correct formula of phosphorous pentachloride is PCl5. Hence option A is the correct answer. In…

Q: 30 - The formula of the compound of a salt is XCl2. Since the X ion in this compound has 28…

A: Formula of the compound of a salt is given XCl2. If it converted into ions than it form cation and…

Q: 2C,H6 How many atoms each element are in the formula shown? c= H=

A: • Given Molecule:-   2C2H6How many atoms each element are in the formula shown:-   C = 4, H = 12

Q: a 500. mg tablet of vitamin C, C6H8O6 NOTE THE UNITS OF mg. (a)how many ATOMS are in the vitamin C…

A: GIven ,Molecular mass of vitamin C C6H6O8=176.12g/mol.Given mass of 500mg=0.5ga).Atoms  in the…

Q: A newly discovered element has the name Rougen, has the symbol Rg. Rougen can have the charges of…

A: The solution is as follows :

Q: Complete the following table. Put the full symbol, e.g. 37^Cl- symbol 605^W^8+ 37^Cl-   protons…

A: To complete the table, symbol 605W8+ 37Cl-   protons     5 neutrons     5 electrons      5…

Q: # and formula of # and formula of Formula of cations anions compound 1 Ba2+ 2 F- BaF2 Ca2+ Br A13+…

A:

Q: AGNO3 MgCl2 AGCI + Mg(NO3)2 1. K2SO4 Al,(SO4)3 AIBT3 KBr + CaHo + Co, + H,0 2.

A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and…

Q: A compound contains an unknown ion x and has the formula XCI2. Ion x contains 26 electrons. What is…

A: Chemical formula  = XCl2Here , we know that valency of Cl is -1.So , valency of X˙ is +2.

Q: 4. Name of the compound FeO: a) Iron (II) oxide b) Iron (I) oxide c) Iron (IV) oxide d) Iron oxide

A:

Q: Which of the following statements is/are true ? (1) The formula of copper(II) hydroxide is Cu(OH)2…

A: We have to predict the correct statement.

Q: The correct formula for a compound formed from the elements Al and O is O Al302 . AIO. O Al203 . O…

A: Q9) The compound formed from the elements Al and O is Aluminium (I) oxide, Al2O.

Q: ic compound cation anion Na Cl Na CI FeF 2 MnCO, VI, NH,CI

A: Compound is made up of anion and cation which carry negative and positive charge respectively on it.…

Q: Sharing Part A ngs ols Classify each substance as an atomic element, molecular element, molecular…

A: Compound formed between metal and non-metal is called ionic compound.  Fluorine exist in molecular…

Q: Element Atomic Weight (g/mol) Percent Composition Ni 58.6934 36.3% Fe 55.845 17.3% As 74.9216 46.4%…

A: The percentage composition of each element in the compound is given as, Assuming 100 g of the…

Q: Which of the following contains the most atoms? 24.305g Mg 39.098g K 9.0122g Be 21.62g B

A: One mole of a substance contains 6.022×1023 atoms and the number of moles of a substance can be…

Q: full the blank  Name Formula aluminum chloride Al   NaF   KS2 calcium nitride     LiF cesium…

A: Chemical formulas of compounds represent the relative number of atoms of various elements present in…

Q: A 12.0 gram of sample of Cr2(SO4)3 contains how many sulfur atoms?

A: Given data : Mass of Cr2(SO4)3 = 12.0 g Molar mass of Cr2(SO4)3 = 392.16 g/mol

Q: A compound is 24.7% calcium 1.2% hydrogen 14.7 carbon and 59.3% oxygen. Determine the chemical…

A:

Q: Calculate the number of molecules present in 27.2 g of Al(NO3)3. Use the following as average atomic…

A: We have to calculate the number of molecules present.

Q: What is the formula of a compound containing Al³⁺ and S²⁻ ions? A) Al₂S₃ B) Al₂S C) AlS₃ D) Al₃S₂

A: The formula of a compound containing Al³⁺ and S²⁻ ions is Al₂S₃

Q: 2. What mass of methane (CH4(9) O2(9) → CO2(9) + H20(9) AH°rxn = -890 %3D

A: The given reaction is, CH4(g) + O2(g) ---> CO2(g) + H2O(g)  .......∆H = -890 kJ   From this, we…

Q: 1. Name the following compounds. MgF2 a. b. P205 SiO2 с. d. PH3 FeBr2 c. f. NHẠC1 g. K,CO3 h. Au,O3…

A: Answer:- These question are answered by using the simple concept og writing the name using the…

Q: 4. Look at the molecules below. Write in the blank what type of atoms you see and how many. Try to…

A:

Q: Sodium sulfate hydrate is a sample weighing O.386g with the general formula Na,SO4.XH20 is heated.…

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

Q: H. Ex: Isotopes of Boron: Boron contains 10B (10.0129g/mol) and 11B. 1°B is 19.91% abundant. Based…

A: given, molar mass of 10B = 10.0129 g/mol let the molar mass of 11B = x g/mol abundance of 10B =…

Q: Name the following ions S-2 S-1 SO3 2 So4 ? HSO31 H2SO4 H2SO3 HSO3 ? a. doesn't exist b. not an ion…

A: Name of the ions

Q: what mass (in mg) does 2.63 moles of nickle have?

A:

Q: Joyate is a fictional polyatomic ion with the formula JyO32-. What would be the formula for Joyous…

A: Given formula of ion: JyO32-  Formula of acid : ?

Q: The total number of atoms is Pb(NO3)2

A: given, Pb(NO3)2   there are three different atoms in this compound Pb, Nitrogen & Oxygen

Q: A certain compound is made up of one phosphorus (P) atom, three bromine (Br) atoms, and one oxygen…

A: The given compound contains one phosphorus atom, three chloride atoms and one oxygen atom. The…