A common ingredient in homemade laundry detergents is Washing soda, you were asked to do an analysis of a sample of this ingredient. You found the sample contains 4.20% C and 7.05% H. What is the formula for washing soda if this ingredient is a hydrate of sodium carbonate? Select one: a. N22CO3X4H2O O b. Na,CO3X10H2O O c. NazCO3x6H2O O d. NazCO3x2H20 O e. Na,CO3X8H2O

Q: Folic Acid (C19 H19 N7 O6), also known as vitamin B9 is used to treat anemia caused by folic acid…

A: a) The number of moles of Vitamin B9 can be calculated as given below. Therefore, the number of…

Q: In 1987 the first substance to act as a superconductor at a temperature above that of liquid…

A: Mass percent can be calculated using following formula.

Q: Thymol, a substance used as an antiseptic in mouthwash, is composed of C, H, and O. When a 0.1658-g…

A: Empirical formula: The simplest positive integer ratio of atoms present in a compound is known as…

Q: 1. How many ions in 0.187 mol of Na' ions? Ans.: 1.13 x1023 jons Nal 0.187 mol6.0 l6.022X1023:0n…

A:

Q: Which of the following is a balanced chemical equation: a. Be2C+4H2O->Be(OH)2+CH4 b. 2HCl + 2CaCO3…

A: Interpretation: We have to tell which among the following is a balanced chemical equation.

Q: 15. A compound contains 1.90% H, 67.6% CI, 30.5%O? What is its empirical formula? O A. HCIO B. HCIO2…

A: “Since you have asked multiple question, we will solve the first question for you as per our…

Q: 1. ) 70.90 g/mol 2 Clzg) 26.98 g/mol + 3 Ale) 133.3 g/mol →2 AICI6) a. Calculate the theoretical…

A: Given data,Mass of Al=15.0gMass of AlCl3 obtained=25.21gMass of V =220gExperimental yield of…

Q: Chloral hydrate (C2H3Cl3O2) is a drug formerly used as a sedative and hypnotic. It is the compound…

A: Hi, since you have posted multiple subpart question, we will answer the first three subparts. Kindly…

Q: 2 NaOH + H2S04 2 H20 + Na2S04 How many grams of sodium sulfate will be formed if you start with 200…

A: Given2 NaOH + H2SO4  →  2 H2O  +  Na2SO4Mass Of NaOH used = 200 gMolar Mass of NaOH = 39.997…

Q: Caffeine, a stimulant in coffee and tea, a molar mass of 194.19 g/mol and a mass percentage…

A: Given,

Q: What is the Mass pf Cl- found in the water sample (in grams)? %(w/w) Cl- in the water sample?…

A: Given data,Mass of titrant(AgNO3) used in trial 1=0.76gMass of AgNO3 used in trial 2=0.73gMass of…

Q: 3. Determine the formula weights of the following compounds: a. N2O5 b. FeCO3 c. Ca(C2H3O2)2 d.…

A: Formula weight of a molecule is the sum of the atomic weights of the all atoms present in empirical…

Q: Choose the bond below that is MOST polar. O H-F O H-I O H-Br O H-CI O C-H

A: Polarity of bond : The bond polarity mainly depends on the electronegativity difference of the two…

Q: 17. How many moles are present in 0.0195 g of the amino acid glycine, CH2(NH2)CO;H? A. 2.6 x 10“ mol…

A: Weight of amino acid glycine = 0.0195 g Molecular Mass of amino acid glycine = 75.07 g/mol

Q: 1. Find the empirical formula for a compound with 27.5%K, 37.5%Mn, and 35%O.

A: The given compound has 27.5 % K, 37.5 % Mn and 35% O. If the mass of compound taken is assumed to be…

Q: 3. 2 H2O + 2 Li -> 2 LiOH + H2 25.4 g of water reacts with 12.2 g of lithium. Which reactant will…

A:

Q: The semi-precious stone turquoise is a hydrate and with the chemical formula CuAl₆(PO₄)₄(OH)₈･4 H₂O.…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 1. Balance the following Chemical Reactions: гссногсонон с HOA CON H₂O+ 2 => C12H2₂2011+02 2.…

A: In the given question we have to balance the following reaction and calculate the molecules of…

Q: 16. A metal has the mass of 12.00 g and 5.850 x 1022 atoms. Calculate molar mass of the metal. O…

A:

Q: 1. HBr, ROOR 2. Mg, THF EtOH 1. 요 Ph 2. H3O+ OEt 1. CO₂ 2. H3O+ 1. 2. H3O+

A: -> HBr with peroxide give antimorkovnikov addition of HBr and form alkyl bromide then in presence…

Q: ___ Ca3P2  + ___ H2O  ->  ___Ca(OH)2 + ___ PH3 balanced

A: By considering oxidation state of ions we can balanced the given chemical reaction.

Q: a. A piece of iron metal with a mass of 42.5g is burned in the presence of oxygen. The resulting…

A:

Q: ___Ca(OH)2 + ___Na2SO4 ➞ ___CaSO4 + ___NaOH Reaction Type:____________  How many grams of calcium…

A: ___Ca(OH)2 + ___Na2SO4 ➞ ___CaSO4 + ___NaOH Reaction Type:____________ How many grams of calcium…

Q: 1. ) 70.90 g/mol 26.98 g/mol 133.3 g/mol 2 Clzig) + 3 Al(s) 2 AICI3(s) a. Calculate the theoretical…

A: number of moles = mass/molar mass  mass = moles × molar mass  percent yield = {actual…

Q: 22. The combustion of hexane (C,H14), a component of gasoline, is represented by the balanced…

A: A combustion reaction of hexane. Balanced chemical Reaction :-  2C6H12 (l) + 19O2 (g) --> 12CO2…

Q: Which of the following sequence of reactions will successfully synthesize the compound shown below…

A: Please be noted that none of the sequence of reactions given in the options is not correct. But the…

Q: 19. The neutralization reaction between Al(OH)3 and HNO3 produces the salt with the formula   Group…

A: Neutralization reaction: Acid and base react to form salt and water, this reaction is known as a…

Q: A substance, AzB, has the composition by mass of 60% A and 40%B. What is the composition of AB2 by…

A: Find solution below

Q: 1.) Calculate the moles of KHP in flask #1. grams KHP Molar Mass of KHP (A1) 204.22 g/mol moles KHP…

A:

Q: Quinine, C20 H24N2O2, is a component of tonic water and bitter lemon. Part C How many moles of…

A: Number of moles of N = number of moles of quinine × number of N per mole of quinine

Q: Calculate the molecular weights of the following compounds. Show your complete solution. 1.…

A: Calculate the molecular weights of the following compounds?

Q: An acid, HEl, is formed from a hypothetical element, El, and a subsequent aqueous solution is…

A: The number of moles of compound is given by the expression: Number of moles=Given mass of…

Q: 5. The molecular mass of caffeine is 194.2 g/mole. A sample was analyzed, and it was found to be…

A: Molecular formula of caffeine is C4H10N4O2....

Q: Given the equation: Na3PO4 + 3 KOH --> 3 NaOH + K3PO4 What is the first step in determining how much…

A: Using the sticheometric coefficient to calculate all.

Q: ? O H₂O, HCI, benzene 1. HCI, 2. ONa

A: The given scheme involves the conversion of alkene to esters. Scheme for the conversion of alkene to…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.