If there are 6.2x1022 molecules of calcium carbide, CaC2, what mass of acetylene (C2H2) can be formed? CaC2 + H20 _Ca(OH)2 + C2H2 -

Q: What is the mass of 3.00 moles of ethanol, C2H6O?

A: The compound given is C2H6O. And moles of C2H6O = 3.00 mol

Q: A hydrate of Na2CO3 has an initial mass of 4.31 g before heating and 3.22 g after.      What is the…

A: The initial mass of hydrate of Na2CO3 before heating is = 4.31 g The mass of Na2CO3 after heating is…

Q: Barium chloride dihydrate has the formula BaCl2  ·  2H2O. Assume there is another hydrate (BaCl2…

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Q: What is the empirical formula of the compound formed between W6+ and O2-?

A: Three O2- ions are needed to balance one ion of W6+ .

Q: Equivalent weight of Al(OH)3 is а. 39 g O b. 27 g O c. 78 g O d. 26 g

A: Option d) 26 g

Q: The ratio of Molar masses of C6H1206 and Water is O 180:10 O 342:18 O 1:10 O 10:1

A: Molar mass: It is defined as the mass in grams of one mole of any substances. Units of molar mass…

Q: If a student reacts 41.2 moles of Cl2 with an excess of CH4 how many moles of CCl4 will be produced

A: Synthesis reaction of CCl4 ; CH4  + 4Cl2   --->  CCl4  + 4HCl Moles of Cl2 given = 41.2 moles

Q: Calculate the mass (in kilograms) of chlorine in 25 kg of each chlorofluorocarbon (CFC).a. CF2Cl2 b.…

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

Q: What is the percentage by mass of chlorine in the insecticide Lindane, C6H6Cl6?

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Q: Aluminum carbide (Al4C3) reacts with water to produce gaseous methane (CH4). Calculate the mass of…

A: Record the given data, Weight of aluminum carbide = 63.2 g The balanced equation for the reaction…

Q: Calculate the mass CARBON in 0.0299 moles of C6H12O6.

A: A pure compound is that which contains its constituent atoms in fixed ratio by mass.C6H12O6  is a…

Q: (b) If 81.00 g of water (H20) is formed during this reaction, what mass of BaO was used?689.98g

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Q: by adding water to calcium carbide (CaC2). CaC2(s) + 2H,O(1) → C2H2(g) + Ca(OH),(aq) How many grams…

A: Introduction :  Acetylene is produced by the reaction of calcium carbide with water, it is made from…

Q: What would you need to do to make C14H21O14 an empirical formula?

A: To find emperical formula.

Q: In one process, 124 g of Al reacts with 601 g of Fe2O3, what is the mass of Al2O3 formed? 2Al +…

A: The given reaction is  2Al + Fe2O3=Al2O3 + 2Fe Moles of Al =124/27 =4.6moles Moles of Fe2O3 =601/160…

Q: What is the mass of a drop of water containing 3.45 x 1022 H2O molecules? ? m =

A: The given data: The number of water molecules = 3.45×1022 To determine = The mass of drop of water.

Q: 1. 84 g of CsH&O6 contains 6.02 x 1023 molecules.

A: Molar mass of C5H8O6 = 5×12 + 8×1+ 6 × 16 = 164 g 1 mol of any substance contains= 6.022×1023…

Q: How to calculate the number of moles of hydrogen in 15.0 moles of C2H6O?

A: • The values provided in the question are:-  i) Number of moles of C2H6O = 15.0 mol

Q: What is the molar mass of N2O4? Na2SO4? C6H10O2?

A: 1. Molar mass is a quantitative method to calculate the total mass of all the atoms associated for…

Q: What is the molar mass of the following compounds?     N2H4                                     b.…

A: The molar mass of a substance can be defined as the mass of that substance present in one mole. It…

Q: 9.) If 438g of Magnesium sulfate react with an excess of sodium chloride, how much magnesium…

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

Q: 2. Calculate the percentage by mass of oxygen in the following compounds a. NO2 b. CH;COOCH3

A: Since you have posted question with multiple subparts as per guidelines we can answer only three per…

Q: 3. Calculate the percentage by mass of oxygen in the following compounds: (#3.25, p.157) a.…

A: formula for percentage by mass:

Q: Which one of the following molecular formulas is also an empirical formula?

A:

Q: Calculate the molar mass of  Al(C2H3O2)3

A: Al(C2H3O2)3  Number of Al = 1  Number of C = 3 × 2 = 6  Number of H = 3 × 3 = 9  Number of O = 3 × 2…

Q: Is C6H12O6+ 9O2→ 6CO2+ 6H2O balanced?

A: A balanced chemical equation is that in which all the reactants and products are written with their…

Q: Given the reaction below, if  3.64 moles of Vanadium (V) were reacted with 4.88 moles of Oxygen (O2)…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: balance this chemical reaction       ____ C6H12O6   →         _____CO2   +       _____  C2H6O

A: Given :  ___ C6H12O6 → ____CO2 + ____C2H6O  To balance :-  The given equation by writing…

Q: 30 How many grams of Mo(SO3)3 are in 1.60x1023 molecules of Mo(SO3)3?

A: Given, molecules of Mo(SO3)3 = 1.60*1023 Grams of Mo(SO3)3  = ? One mole on any substance contains…

Q: What number should be placed in the blank in order for this equation to follow the Law of…

A:

Q: How many molecules of NO2 are present under these conditions at 20 °C in a room that measures 15 *…

A: Given: Temperature=20°C=293.15 K Dimension=15 ft×14 ft×8 ft

Q: The number of grams of 1.38 x 1022 molecules of C12H22011 is: 0.0229 g 7.84 g 342 g 2.29 g

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: 1. What mass of potassium chlorate would be needed to form 56.8 g of oxygen? 2KCIO3 ----> 2KCI + 3…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: molar mass

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Q: Which is the correct mass percentage of hydrogen in acetamide, C₂H₅NO?

A:

Q: The ratio of Molar masses of C6H1206 and Water is O 1:10 342:18 O 10:1

A: Molar mass for any compound is the mass of 1 mole of compound. The atomic mass of each element is…

Q: 2) What is the mass of 5.13 moles of Na2Cr2O7?

A: Solution First, we need to find out the molar mass of Na2Cr2O7 The molar mass of = (Number of atoms…

Q: The formula of glucose is C6 H12 O6. a. The number of molecules in 166 grams of glucose would be…

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Q: Calculate the number of H atoms in 87.26g of C3H8

A: molar mass of C3H8 = 44.1 g/mole To determine the number of hydrogen atoms it ill be needed to find…

Q: 1. Calculate the mass of aluminum oxide produced when 4.75 moles of aluminum burn in oxygen. 4 Al +…

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Q: The empirical formula for C6H13 is-

A: an empirical formula is the chemical formula of a compound that gives the proportions of elements…

Q: Considering the chemical equation :below C2H3B13 + 11 O2 → 8 CO2 + 6 H20 + 4 6 Br2 What is the…

A: The balanced reaction taking place is given as, => 4 C2H3Br3 + 11 O2 -----> 8 CO2 + 6 H2O + 6…

Q: Fe2O3(s) + 2Al(s) → 2Fe(l) + Al2O3(s) a. What mass of Fe(l) will be produced if 15.0 g of Fe2O3 is…

A: The no of mole of any substance is defined as the ratio of mass of that substance given to that of…

Q: Balance the following equation by filling the gaps with appropriate numbers. CH4 C2 H20 +

A: The representation of a chemical reaction in the form of substances is known as a chemical equation.…

Q: Calculate the mass percent of H in C3H120.

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Q: A sample containing 58.51 g manganese (Mn) is treated with an excess of sulfuric acid (H2SO4) to…

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Q: Calculate the mass (in kilograms) of chlorine in 25 kg of chlorofluorocarbon (CFC). CF3Cl

A: The given data contains, chlorine = 25 kg.

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".