Write the formula for copper (II) sulfate pentahydrate. Cu₂SO3 H5 (CuSO4)5 CuS 5H₂0 Cu₂S H₂O CuSO4 5H20

Q: Calcium chloride is 36.11% calcium. How many grams of calcium are present in 2.55 x 103 g of calcium…

A: The mass percent of the calcium in calcium chloride is = 36.11 % The mass of calcium chloride is =…

Q: Calculate the number of oxygen atoms present in 800.0 mg of C13H19N3O7

A: We have given that  Calculate the number of oxygen atoms present in 800.0 mg of C13H19N3O7

Q: The molecular mass of a compound of interest is 60 g/mol. The empirical formula of this compound is…

A: The molecular formula of the compound has to be determined.  In the question, it is provided that…

Q: Classify each compound as ionic or molecular. If they are ionic,determine whether the metal forms…

A: FeCl3 : Ionic compound.  Metal forms only Fe3+ ion. ( one type of ion)   K2SO4 : Ionic compound.…

Q: Hydrofluoric acid is a substance usedto etch glass. Determine the mass of 4.95 × 1 0 25 HFmolecules.

A: According to the mole concept, the number of moles is calculated by using the equation: Number of…

Q: Write the systemic name of Al₂(SO4), - 6H₂O.

A: Compound Al2(SO4)3 .6H2O is a hydrated aluminium sulphate [Al2(SO4)3]  . Aluminum sulphate is an…

Q: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 100 g of iron sulfide was reacted with excess oxygen,…

A: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 Atomic masses Fe=56; S=32, O=16 Molecular mass of…

Q: How many bromine atoms are present in 35.2 g of CH2B12?

A: Formula to calculate the number of atoms is as follows:- Number of atoms=Number of molecules×Number…

Q: Given the balanced equation 3Ca(NO3)2 + 2 K3 PO4  Ca3 (PO4)2 (s) + 6KNO3 Write the total ionic…

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Q: Calculate the mass in grams of 1.10 x 1024 molecules of Sulfane, H2S. g NA= 6.022 x 1023

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Q: A 6.7283 g sample of a hydrate of MgSO4 was heated to drive off all of the water of hydration. The…

A: The first step is to calculate the mass of water that was lost when the hydrate was heated. This can…

Q: An 8.00 gram sample of the hydrated salt, CoCl2 x XH2O was thermally decomposed into anhydrous…

A: Given: Mass of hydrated salt = 8.00 g. And the mass of anhydrous salt obtained = 4.370 g.

Q: Let's say you are working in a laboratory with a group and you are the only student who has taken…

A: According to given information, Mass of unknown hydrate CoCl2. XH2O = 33.92 g - 32.27 g = 1.65  g…

Q: When writing formulas for compounds, What do the parenthesis mean?   Co(C2H3O2)2  I'm supposed to…

A: The parenthesis is used to represent a group of atoms present together. The example mentioned is…

Q: C6H8O is the empirical formula for which of the following compounds? Hydrazine B Acetic acid…

A: Given, C6H8O7

Q: Calculate the mass percent of H2O in CuSO4•5H2O

A: Mass of water = 5 x 18 = 90 g Molar mass of CuSO4.5H2O = 249.5 g/mol

Q: Name Formula Ex. Calcium nitrate Ca?+(NO3) → Ca(NO3)2 %3D %3D II

A: We have to write the molecular formula of chromic silicate.

Q: Rank the following in DECREASING order according to the mass percent of Cl: PCl5 SOCl2 Cl2O6…

A: Answer: To solve this question, calculate the mass% of chlorine in 1 mole of each compound mentioned…

Q: Some of the formulas could be either molecular or empirical formulas; however, some can only be…

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Q: formula for the ionic compound that forms between Potasium and Sulfide.

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Q: natural product has the molecular formula C25H34O4. What is the mass of 3.31×108 molecules of this…

A: Molecular weight of the compound is  =(12×25)+(34×1)+(16×4) =398 g/mol Where Atomic mass of C ,H And…

Q: Give the name for each K2CO3 Fe(OH)3 NH3  HI(aq) NaOH

A: IUPAC nomenclature is systematic method of naming inorganic and organic chemical compounds. For…

Q: Balance the chemical equations   Rb(s)+H2O(l)→RbOH(aq)+H2(g) NiS(s)+O2(g)→NiO(s)+SO2(g)…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.…

Q: The density of water is 1.00 g/mL at 4°C.How many water molecules are present in 2.36 mL of water at…

A: given density of water = 1 g/ml

Q: Calculate the number of oxygen atoms in 25.1 g of nitrous acid. 4.80 x 1023 oxygen atoms O 6.43 x…

A: Given,  Mass of nitrous acid = 25.1 g

Q: How many different elements are present in the compound Fe2(SO4)3?

A: Given :-  Compound is Fe2(SO4)3  To determine :-  Total number of different elements in the given…

Q: Which of the following is a balanced chemical equation:   2HCl + 2CaCO3 -> CaCl2+H2O+CO2   P4H10 +…

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Q: Aqueous potassium nitrate (KNO3) and solid silver bromide are produced by the reaction of aqueous…

A: When aqueous potassium bromide react with aqueous silver nitrate it forms precipitate of silver…

Q: Br CF3CH,OH ?

A: This is an example of nucleophilic substitution reaction (SN¹). in first step,  loss of bromide ion…

Q: How many of the following are ionic? NiCl 2 CaCl 2 Mg(OH) 2 SO 2 BaCl 2 C 6H 12O 6 O 2 CaCO 3

A: To identify from given compounds Which are ionic ?

Q: 2Na + Cl2 → 2NaCl. If I want to make 100.0 g of salt, how much elemental chlorine would I need?

A: First convert mass into molar mass  Then use mole-mole relationship  After getting mole of  Cl2 then…

Q: A 30.141 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put…

A: To determine the empirical formula , we would determine the moles of Carbon, Hydrogen , sulfur and…

Q: How many carbon atoms are in 2.65 x 10^23 molecules of C2H6?

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Q: Which is a pure element? * Nacl

A: The pure elements are composed of a single type of elements and thus they are classified as pure.…

Q: how many grams of Cu(NO3)2 can be made from 25 grams of copper

A: The reaction involves,

Q: The zinc inside the penny reacted with acetic acid (C

A: Chemical reactions are expreseed in equation form , these equations are called " chemical…

Q: A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

A: Given, A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

Q: Give the preferred names for Al2(CO3)3 (NH4)2SO4 Li2S SO3 Ba3N2 Ba(NO3)2 SiF4 S2Cl2

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Q: number of formula units

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Q: Calculate the number of moles in 0.48 g of copper. O 0.033 mol O 1.3 × 102 mol O 7.6 x 10-3 mol O…

A: The objective of the question is to calculate the moles of copper.

Q: n the CCI2F example, if the molar mass of the compound was 305.7 g/mol, what would the molecular…

A: Molar mass of C = 12 g/molMolar mass of Cl = 35.45 g/molMolar mass of F = 19 g/mol

Q: What chemical property of potassium chlorate did you use to design a procedure to determine the…

A: Interpretation-  Tell that chemical property of potassium chlorate which we use to design a…

Q: What number of atoms of nitrogen are present in 7.13 g of each of the following? glycine: C2H5O2N…

A:

Q: Phosphoric acid, H3PO4. has K1 - 7.5 x 103 K,2 = 6.3× 108 K,3=4.7×10*13 HPO,2 + H20= HPO4* + OH"| K…

A: For an aqueous solution at equilibrium the water undergoes self ionization with ionization constant…

Q: Chemical equation involved: Baking soda + Vinegar Sodium Acetate + Heat Write the correct chemical…

A: We have given that  Chemical equation involved: Baking soda + Vinegar ------> Sodium Acetate +…

Q: Which copper ore contains the highest percentage of copper by weight? Mathematically document…

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