A) What is the molar mass of nickel (II) sulfate (NISO4) in grams per mole?  B) What is the amount (in mole) of 3.77 x 10^30 water molecules? C) What is the mass in grams of 2.68 x 10^-5 mol of caffeine (Mr = 194.1 g mol-1)   D) Seceral brands of antacids use Al(OH)3 to react with stomach acid, which contains primarily HCI. The reaction proceeds according to the balanced equation Al(OH)3 (s) + 3 HCI (aq) to AICI3 + 3 H2O (I)  If you have 4.50g of aluminium hydroxide and 0.0500 mol of hydrochloric acid, which of these will be the limiting reagrnt?

Q: Limestone is mostly consist of CaCo, You find that a sample of limestone weighing 153 mg gives 147…

A:

Q: a. What mass is represented by 0.0146 mol of C3H7OH (2-propanol, rubbing alcohol)? Mass %3D b. What…

A: a). Given: The moles of C3H7OH = 0.0146 mol. The molar mass of C3H7OH = 60.09 g/mol.

Q: a) An aqueous solution contains 2.52 g of Pb(NO3)2 in one liter.  How many moles of each ionic…

A: Pb(NO3)2 is a strong electrolyte. I aqueous solution is dissociates completely as: Pb(NO3)2…

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Q: The complete combustion (reaction with oxygen) of liquid octane (CSH18) a compo- nent typical of the…

A: The combustion equation of liquid octane is given as:C8H18 (l) + O2 (g) → CO2 (g) + H2O (g)Balancing…

Q: HCI (ag) + NaOH (aq) --> NaCl (s) + H2O (1) Mass of Grams (g) HCI 36.5 NaOH 40.0 NaCI 58.5 H2O ?…

A: To solve this question, we need to use law of mass conservation and from using that, find mass of…

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A: Given, Total mass of the mixture = 80.0 g Let mass of water be 'x'  Therefore, Mass of ethanol = (80…

Q: If 40.5 g of NaI (MM = 149.89 g/mol) are added to a 500.0 mL volumetric flask, and water is added to…

A: Molarity is defined as the number of moles per L of the solution.

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Q: What is the molar mass, in g/mol, of the hydrate compound with the proposed formula of CrCl3⋅3H2O

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Q: A neutralization reaction hasthe following unbalanced chemical equation: ? H,PO, (aq) + ? Mg(OH)2…

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Q: How many moles of potassium hydrogen phosphate (K2HPO4) are there if some potassium hydrogen…

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A: Nitric oxide reacts with oxygen to produce nitrogen dioxide. The equation for the balanced chemical…

Q: Consider the reaction of ethylene (C 2H 4) and water to form ethanol (C 2H 6O), which was mentioned…

A: Given: The theoretical yield of  ethanol is 23 g. The actual yield of ethanol is 15 g.…

Q: Aluminum carbide, Al4C3, is a yellow powder that reacts with water to produce aluminum hydroxide and…

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Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: The solution is given below -

Q: The following reaction occurs when combining elemental magnesium with the solution listed below:…

A: Given, Mg(s) + Cu(ClO4)2(aq) ----> Mg(ClO4)2(aq) + Cu(s) Molarity of Cu(ClO4)2 solution = 7.65 M…

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A: First Calculate mole of Al(OH)3 by mass/molar mass  Then use mole mole relationship  1mol Al(OH)3…

Q: If 6.73 g of Na2CO3 is dissolved in enough water to make 250. mL of solution, what is the molar…

A: The calculations for the molarity of sodium carbonate are shown below: =

Q: Consider the following equation: Na 0 + H,0 → 2NAOH How many grams of Na,0 are required to produce…

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Q: One way to analyze for the amount of phosphorus in a rock is to precipitate the phosphorus as…

A: Given the mass of the rock sample = 2.832 g Percent of Ca3(PO4)2 = 86.52% => mass of Ca3(PO4)2 in…

Q: 5. The reaction 2C2H2(g) + 502(g) → 4CO2(g) + 2H2O(1) is a a. combustion reaction

A: Combustion reaction is the reaction in which a reactant reacts with oxygen gas to form CO2 and H2O…

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Q: Calcium carbide, CaC2, is an important preliminary chemical for industries producing synthetic…

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Q: (a) One molecule of the antibiotic penicillin G has a massof 5.342 x 10-21 g. What is the molar mass…

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Q: In the recipe for mayonnaise, the phospholipids in the egg yolk act as emulsifiers. If you assume…

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Q: Phosphoric acid (H,PO,, MM = 98.00 g/mol) can be prepared by treating calcium phosphate (Ca (PO,),…

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Q: 4NH32) + 5 O2 →4 NOe) + 6 H20) 5. In the reaction above, a 2.00 g sample of ammonia (NH3) is mixed…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A few antacids contain aluminum hydroxide, Al(OH)3 (molar mass= 78.00 g/mol). Aluminum hydroxide…

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Q: A supplement was tested for iron content in a laboratory. First, a random sample of 10 tablets…

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Q: 1.  What is the mass percent composition of oxygen in a compound having the empirical formula…

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Q: Use the equation 6KI (aq) +8HNO3 (ac) → 6KNO3 (aq) + 2NO + 312 (s) + 4H20 m- If 21.38 mL of 0.787 M…

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Q: Calcium cyclamate Ca(C6H11NHSO3)2 is an artificial sweetener used in many countries around the world…

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Q: 6._Mg(OH)2 + _H3N→_H20 +_Mg3N2 + heat a. Balance the reaction b. What is the reaction type? C. If…

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Q: 1. In a reaction of phosphorus and chlorine, both species is 25.0 g, which of the following…

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Q: 2. A 4.5491 g sample of a sulfur containing compound is analyzed by precipitating the BaSO4. If…

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Q: N2(g)+3h2(g)=2nh3(g) what type of reaction is this?

A: Given: N2(g) + 3H2 (g)----> 2NH3(g)

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A: Number of mol = Mass/molar mass Mass of Fe in one tablet = 15 mg Mass of Fe2O3 = 0.25 g Molar mass…

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: The decomposition reaction of CaCO3 can be written as, => CaCO3 (s) ---------> CaO (s) + CO2…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".