How many moles of water, H2O, are present in 75.0 g of H2O

Q: 75.0 g glucose, C6H12O6:               a. How many moles of glucose?  How many molecules of…

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Q: How many moles of Na are present in 3.2 x 10^25 atoms of Na? **Please show work

A: Given- Atoms of sodium= 3.2×10^25 1 mole=6.023×10^23 atoms

Q: moles

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Q: 2KHCO3(s) ==> K2CO3(s) + CO2(g) + H2O(l) If 35 g of potassium hydrogen carbonate is heated, how…

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Q: How many MOLES of calcium oxide are present in 3.85 grams of this compound ?

A: Given mass of calcium oxide = 3.85 grams Molar mass of calcium oxide = 56.07 g/mole

Q: Given 400.00g of H2O  how many moles do I have?

A: To Find the number of moles of a chemical compound, the Formula is: No. of moles = MassMolar mass…

Q: Match the following based on the problem below: C3H3 + 502 3CO2 + 4H20 How many moles of carbon…

A: The given equation is, C3H8+ 5O2→ 3CO2 + 4H2O To find out Number of moles of CO2 produced from 1…

Q: MgCl2 (aq) + K2SO4 (aq) --> 2KCl (aq) + MgSO4 (s) How many moles of potassium chloride are produced…

A: Moles of this reaction define by the stoichiometry coefficient.  the stoichiometry coefficient of…

Q: What is the mass, in grams, of 0.0331 mole magnesium iodide? SHOW WORK.

A: Molar mass of magnesium iodide = 278.1 g/mol

Q: According to the following reaction, how many moles of carbon dioxide will be formed upon the…

A: Introduction:-  the amount of product depend only on the amount of limiting reagent (the reactant…

Q: Which of the following is/are equivalent to 2.50g of C6H6? Check all that apply 0.0321 mole of C…

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Q: The reaction below has been used to launch rockets into space. 2N2H4 + N204 à 3N2 + 4H20 How many…

A: The given reaction  2N2H4 + N2O4 → 3N2  + 4 H2O The moles of N2H4 =  8.38 moles

Q: How many moles of NH4NO3 are present in a mass of 16.54 g of NH4NO3? Show work.

A: Find the moles of NH4NO3 are present in a mass of 16.54 g of NH4NO3

Q: moles

A: Molar mass of KCl = ( mass of K ) + ( mass of Cl )  Molar mass of KCl = ( 39.0gmol-1 ) + (…

Q: According to the following reaction, how many grams of bromine trifluoride are needed to form 23.5…

A: Law of mass conservation :-           " Mass can neither be created nor be destroyed during the any…

Q: Enter the coefficients directly from the balanced chemical equation. Do not reduce to lowest terms.…

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Q: How many grams of hydrogen are contained in 2.50 x 1025

A: Given: Grams of hydrogen in 2.50×1025 molecules of ammonium phosphate Formula used: Number of…

Q: 4. Mole Concept: a. How many moles are there in 66 grams of Carbon dioxide, CO,? b. How many grams…

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Q: Calculate the mass in grams of 4.25 moles of Ag2S?

A: Given, moles of Ag2S = 4.25 moles mass (in grams) of 4.25 moles of Ag2S = ? Note:  Atomic mass of Ag…

Q: 1. How many MOLECULES of sulfur dioxide are present in 1.31 moles of this compound ? molecules. 2.…

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Q: Hydrogen will combust in the presence of oxygen gas in an explosive fashion, producing the harmless…

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Q: A small pin contains 0.013 mols of iron (Fe). How many atoms of iron are on the tip of the pin? SHOW…

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Q: a. How N2 molecules b. How many N atoms are contained in 3.05 mol of N2? N atoms c. How many moles…

A: Number of atom is equal to number of moles of atom × avogadro number

Q: ● tab Starting with the following equation, MgCl₂(aq) + Na3PO4(aq) → Mg3(PO4)2 (s) + NaCl(aq)…

A: A balanced chemical equation is the one that contains the same count of different types of atoms on…

Q: What is the percent of M in fictional compound C3M4? Element M has a molar mass of 19.58 g/mol. Show…

A: Answer:- This question is answered by using the simple concept of calculation of percent of the…

Q: Nicotine is a component of tobacco-containing the elements Carbon, Hydrogen, and Nitrogen, and has a…

A: It is given that Nicotine is the compound containing elements carbon, hydrogen and nitrogen thus the…

Q: how many moles of boron do i need to buy if i wanted to make 24 moles of boron trioxide? solve using…

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Q: Compute the molarity of a solution that contains 5.62 g of Na2CO3 in enough water to make 750.0 mL…

A: Given: mass of Na2CO3 =5.62g molar mass of Na2CO3 =105.98g/mol number of moles of Na2CO3(n)=mass of…

Q: [References] Combustion of 7.46 mg of an unknown substance yields 21.7 mg CO2 and 3.79 mg H2O. The…

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Q: How many grams of KBrO4 are present in 0.5435 mol of KBrO4? Show work.

A: The question is based on mole concept of an atom. we have been given mass and have to calculate mass…

Q: Hydrogen will combust in the presence of oxygen gas in an explosive fashion, producing the harmless…

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Q: 100 Practice Questions Mid X Gwhat's the difference betwe X (68) mol to molecule or for X G Question…

A: Mass of sucrose is calculated as follows,

Q: Use the References to access important values if needed for this question. cording to the following…

A: Given benzene in excess amount

Q: 1. How many MOLECULES of phosphorus trichloride are present in 4.58 moles of this compound ?…

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Q: Na2CrO4: ________ g/mole

A: Standard data: The atomic mass of sodium (Na) = 22.9898 u The atomic mass of chromium (Cr) =…

Q: topic: avogadro's number, mole, molar mass benadryl (chemical formula C17H21NO)  show calculations…

A: The moles of the solution always remains constant. there is no effect of volume change or…

Q: chemist fermented 7.25 g of glucose. How many moles of glucose are there in 7.25 g?

A: Moles is unit for measuring the amount of substance in SI form. In order to find the number of moles…

Q: How many molecules are in 0.25 moles of CH4? How many total atoms are in 1.0 moles of H2O?

A: Avogadro's number and the mole is related to each other as - 1 mole = 6.022 x 1023 atoms or…

Q: For the reaction 2Na + 2H20 --> 2NAOH + H2 How many moles of H2 are produced from 3.36 moles of H2O…

A: The amount of substance can be expressed in moles. 1 Mole = 6.023 ×1023 particles. These particles…

Q: 11. Equation (1) above is balanced. When 28.0 g of CO react with water, 18.0 g o water are consumed…

A: First convert mass in two moves by dividing molar mass and then use mole mole relationship to get…

Q: How many molecules of sodium carbonate are contained in a (9.0x10^1) g Sodium carbonate (Na2CO3)…

A: Mass of Na2CO3 = 9.0x101 g = 90 g

Q: How many

A: 6

Q: How many moles of oxygen are needed to fully react 837.4 grams of C8H18? * Answer: Round off your…

A: Mass of C8H18 = 837.4 g  Molar mass of C8H18 = 114.23 g/mol  Molar mass of O2 = 16 g/mol  Moles of…

Q: How many atoms of magnesium mg in 2.4g of magnesium ? Show step

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Q: A person drinks 1.64x10° g of water per day. How many moles is this? n(H,O) = mol %3D Submit Answer…

A: Given: 1.64 x 103 g of water

Q: Current Attempt in Progress Based solely on the amount of available carbon, how many grams of sodium…

A: Mass of C6H6 = 202 g  Molar mass of C6H6 = 78.11 g/mol  Molar mass of Na2C2O4 = 134 g/mol  Mass of…

Q: 1. How many GRAMS of sodium nitrite are present in 4.33 moles of this compound ? grams. 2. How many…

A: Mole is defined as unit of amount that specifies number of atoms in bulk of matter.

Q: How many moles of hydrogen gas (H2) would contain 2.4 x 1024 hydrogen atoms? a 3 b 2 C 4 d 5° Check…

A: Moles of hydrogen gas is collected as follows

Q: According to the following reaction, how many grams of nitrogen gas will be formed upon the complete…

A: Given  Mass of NH4NO2 = 28.0 g We know that, Number of mol = mass / molar mass Number of mol of…

Q: Given 10 moles of H3O how many grams of this substance do I have?

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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".