This is the chemical formula for talc (the main ingredient in talcum powder): Mg3 (Si,O;), (OH), An analytical chemist has determined by measurements that there are 0.089 moles of magnesium in a sample of talc. How many moles of hydrogen are in the sample? Round your answer to 2 significant digits. mol

Q: 2. How many moles are there in 7.22 x1024 molecules of H,O? PART II. Instruction: Calculate the…

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Q: Nitrogen (N,) gas and hydrogen (H,) gas react to form ammonia (NH, gas. Suppose you have 13.0 mol of…

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Q: 1. Prelimanry Study Sulfamic acid is a strong acid. Write the equation of its reaction with water.…

A: Hello. Since more than one question has been asked and each question contains multiple sub-parts,…

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A: The name of the given compound is Chromium (III) Sulfite Cr2(SO3)3 In order to find the Molar Mass…

Q: st 0.1 mol.

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Q: Part B Calculate the number of CO2 molecules in 1.19x102 mole of CO2. Express your answer using…

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Q: Be sure to answer all parts. Cisplatin (right), or Platinol®, is a powerful drug used in the…

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Q: Nitrogen (N2) gas and hydrogen (H,) gas react to form ammonia (NH,) gas. Suppose you have 11.0 mol…

A: The balanced equation involved: N2 + 3H2 → 2NH3

Q: This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel…

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Q: РО Ammonium phosphate ((NH), PO, is an important ingredient in many solid fertilizers. It can be…

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Q: Ammonium perchlorate (NH,Cio,) is a powerful solid rocket fuel, used in the Space Shuttle boosters.…

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Q: Open w th or each equation below, a bala perform the required calculation. SHOW ALL YOUR WORK FOR…

A: • The given chemical equation is,    H2C2O4 + KOH ---> K2C2O4 + 2H2O    • In order to balance…

Q: How many formula units are in 35.4 g of NaCl? Calculate the mass of 2.50 mol of Fe(OH),. What is the…

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Q: The chemical formula for zinc nitrate is: (ZnNO3)2 Calculate the molar mass of zinc nitrate. Round…

A: The chemical formula for Zinc nitrate is Zn(NO3)2.

Q: If a molecule fluoresces, what are the advantages of using a fluorimeter instead of a molecular…

A: A fluorimeter and a spectrophotometer are both analytical devices used to detect and measure the…

Q: Copper(1) hydroxide, CUOH, has been combined with latex paint to create a product designed to…

A: The formula unit means the total number of molecules or atoms in the compound. This can be…

Q: How many grams O in 283.0 g Fe(OH)g? Molar mass of Fe(OH)g is 106.867 Hint: 1 mole Fe(OH)g has 3 mol…

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Q: Gaseous ethane (CH,CH) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,)…

A: Ethane reacts with oxygen to form carbondioxide and water. The mass of water can be calculated by…

Q: According to the following reaction: 3Cl, (g) + 3H,0 (1) SHC1 (aq) + HCIO3 (aq)

A: We have to convert grams of Ck2 to moles of water

Q: PART A.1: calculate the Empirical formula for a compound. 1. A cocapound contists of 20-3g of…

A: Part A : 1) Converting the weight (in grams) to moles Moles of carbon = 20.3/12 = 1.697 Moles of…

Q: Determine the molar mass of the following compounds: a) ammonia, NH, b) sodium hydrogen carbonate…

A: 1.)  Molar mass can be calculated by using the atomic masses of element present in that compound.…

Q: This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar):…

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Q: express the moles in the next equation N2+ 3H2 -> 2NH3

A: Given reaction, N2+ 3H2 --> 2NH3

Q: A rigid vessel contains 2.5mol2.5mol of H2(g)H2(�). How many grams of hydrogen are in the vessel?

A: Molar mass of H2 gas = 2 • ( Molar mass of Hydrogen atom )  Molar mass of H2 gas = 2 • ( 1.008…

Q: Q/Choose between parentheses 1- moles of substance contain ..... particles * (Non of these/18.066…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: [References] 2. The current value of pure gold on the commercial market is $35,548.44 per kg. At…

A: Given, Commercial market value = $35,548.44 per kg Moles of gold(ll)  chloride = 0.4680 mol

Q: From mass to moles There are two unknowns in this problem - the grams of potassium carbonates and…

A: Let the mass of the mixture (Na2CO3 + K2CO3) = m Moles of total HNO3 used = n To find: Mass of…

Q: How many molecules are in 3.87 moles of CC?

A: The number of molecules present in 3.87 moles of CCl4 given below.

Q: How many grams are in 0.02 moles of beryllium iodide, BeI2? Round to the hudreths place (two decimal…

A: From Number of moles formula :                    number of moles = weight of the substance / gram…

Q: Aspirin yield You record the following data during the Qualitative and Quantitative Characterization…

A: Acetyl salicylic acid is also called as Aspirin Aspirin is used as an analgesic and antipyretic drug…

Q: To whom it may concern, I was trying to complete some problems with mole conversions from the book…

A: b) Mass of N atoms in a sampleLet us consider Mass of Mg (NO3)2 is 43.5 g in sample.Molar mass of Mg…

Q: A sample containing 2.3 moles of H2O has weight equal to g. It has + molecules of water, + atoms of…

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Q: Adipic acid is an organic compound composed of 49.314 C. 580 g/mol. dinic acid is an organic…

A: Adipic acid is an organic compound composed of 49.314 C. 43.79% O, and the rest hydrogen. If the…

Q: How many atoms are in the 156 mL of ethanol? (density = 0.79 g/mL) (Molar mass: 46.07 g/mol)…

A: The molecules that present inside any substance can be determined by calculating the number of…

Q: How many moles of H3PO4 can be made from 1.39 X 1027 molecules of P4O10? 12 HCIO4 + P4010 4 H3 PO4 +…

A: When two reactive compounds are mixed, then they react according to the stoichiometry of the…

Q: A student weighs 1.00 grams of CuSO, on a balance. After heating, the compound weighed 0.638 grams.…

A: SOLUTION: Step 1: The formula of Copper sulfate hydrate is CuSO4.5H2O. Mass of water = Mass of…

Q: Hydrogen peroxide decomposes as shown below: 2H202 - 2H20 +O2 (34.0 g/mol) If a 6.222 g sample of…

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Q: Determine the molar mass of Al2(SO.),-5H,0.

A: To determine the molar mass of

Q: Be sure to answer all parts. Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide…

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Q: The chemical formula for diethyl sulfoxide is: (CH,CH,), SO Calculate the molar mass of diethyl…

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Q: Select True or False: The definition of a mole is an Avogadro's number of a specific entity, such as…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: How many grams are in 3.50 moles of Li? How many moles are in 4.65 x 1024 molecules of NO,? What is…

A: Mole is used to determine the amount of substance. One mole of a substance contains 6.022×1023…

Q: chiometry 5. Lead(III) sulfide reacts with ealcium chloride to produce lead(III) chloride and…

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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.