How many atoms are in 28.9 g of potassium dihydrogen phosphate (KH2PO4)? number of atoms: atoms - TOOLS x10

Q: Consider the following UNBALANCED chemical equation FeS (s) + HCl(aq) → FeCl2(aq) + H2S(g) If 60.6 g…

A: Given, the unbalanced equation: FeS(s) + HCl(aq) → FeCl2(aq) + H2S(g) We have to find the mass of…

Q: How many moles of KBr are in 61.3 grams of KBr?

A: We are given with 61.3 grams of KBr and we have to calculate the moles of KBr present.

Q: O CHEMICAL REACTIONS Solving for a reactant using a chemical equation Ammonia (NH,) chemically…

A: The balanced chemical reaction between ammonia and water is as follows,

Q: Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

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Q: What is the mass, in grams, of 2.90x103 mol of ammonium phosphate? Express your answer using three…

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Q: How many particles are contained in 20.0 mole of NaCl? Type in answers without units, using…

A: Given: Moles of NaCl = 20 moles Avogadro's number is a specific numerical value which used to…

Q: Nitrogen dioxide is a component of urban smog that forms from gases in car exhaust. How many…

A: Detail mathematical calculation is shown below

Q: 10. How many molecules are in a 1.7 gram iron nail? 11. How many molecules are in a 0.35 gram piece…

A: (10) Given that -  Mass of iron = 1.7 g    From mole concept one of any Substance equal to -  1 mole…

Q: give metal halides. For example, iron reacts with chlorine to give iron (II) chloride, FeCl2. Fe(s)…

A: Given :-  Fe(s) + Cl2(g) -----> FeCl2(s)  Mass of Fe = 10.0 g  To be calculated :  Mass of Cl2…

Q: 5. Here is the equation for the reaction between sodium metal and chlorine gas: 2Na + Cl2 2NaCl This…

A: Since you asked question number 5 so, as per Q&A guidelines of portal I solve question 5 for…

Q: Mass of Zn 2.44 g Mass of Cu 0.063 g The mass of Zn and the mass of Cu in a coin are given in the…

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Q: What is the mass in grams of 4.57 × 10²⁵ molecules of Cl₂? I get the write and but the wrong number…

A: Mole concept: The number of molecules in one mole of chlorine is equal to the Avogadro number. The…

Q: The chemical formula for dimethyl ether is: CH;OCH3 Calculate the molar mass of dimethyl ether.…

A: To calculate the molar mass of dimethyl ether.

Q: How many moles of CO2 are in 3.13 grams of CO2? Express in decimal form.

A: Given that: Mass of CO2 = 3.13 g Moles of CO2 = ?

Q: How many molecules are in the sample? 87 g CCl4 Express your answer using two significant figures.

A: Number of moles can be calculated as follows: No. of moles = MassMolar massNo. of moles = 87g153.82…

Q: Manganese (Mn) is a transition element essential for the growth of bones. What is the mass in grams…

A: Given, Number of atoms of Mn = 3.22 x 1020 atom Mass of bone = 1 Kg Formula Used: Number of…

Q: Solid iron (III) oxide and chlorine gas react to form solid iron (III) chloride and oxygen gas.  If…

A: Given: Solid iron (III) oxide and chlorine gas react to form solid iron (III) chloride and oxygen…

Q: 1. A compound that contains only carbon, hydrogen, and oxygen is 40.54% C and 5.44% H by mass. What…

A: “Since there are multiple questions in this question and it is not mentioned that which one has to…

Q: 2. One reaction step in the conversion of ammonia to nitric acid involves converting NH3 to NO by…

A: Limiting reagent is the reagent which is consumed in the chemical reaction completely. It decides…

Q: Liquid hexane (CH3(CH,) CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: For the following questions (Q1-Q4), consider the compound CoCl2 • 6H2O (cobalt (II) chloride…

A: Given data: Mass of CoCl2 • 6H2O = 2.51 g We know that, Molar mass of Co = 58.933 g/mol Molar mass…

Q: How many grams are in 7.22 mol of HF? Express your answer to three significant figures.

A: We would use molar mass of HF to calculate mass in grams in given moles of HF.

Q: Dinitrogen oxide (or nitrous oxide), N2O, also known as laughing gas, is widely used as an…

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Q: The chemical formula for propane is: CH;CH,CH3 Calculate the molar mass of propane. Round your…

A: A chemical compound is formed when two or more elements are combined together and the molar mass of…

Q: what is the number of moles of calcium carbonate reacted?

A:

Q: The chemical formula for zinc nitrate is: Zn(NO;), 2 Calculate the molar mass of zinc nitrate. Round…

A: To calculate the molar mass of Zinc nitrate Zn(NO3)2.

Q: how many grams are in 5*10^25 O3 molecules

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Q: How many moles of topaz are in 669.9 grams?

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Q: What is the mass of 4.01mol of NaOH in grams and milligrams?

A: given, moles of NaOH = 4.01 moles molar mass of NaOH = 40.0 g/mol

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: Percentage by mass  = (Mass of element in 1 mole of compound/molar mass of the compound) × 100%…

Q: What is the mass in grams of 7.73x10^24 molecules of CO2? Please express in decimal form How many…

A: Molecules of CO2 = 7.73 x 1024  Mass of CO2 = ?

Q: How many particles are in 1.43 g of a molecular compound with a gran molecular mass of 23 g?

A: The answer is given as follows

Q: How many formula units make up 35.8 gg of magnesium chloride (MgCl2MgCl2

A: The formula of magnesium chloride is MgCl2  hence the molar mass of MgCl2 is  = (24.30 + 2 × 35.45)…

Q: 1.75 x 1023 atoms Pb converted to grams

A:

Q: How many bananas are in 0.10 moles of bananas? 3.0 x 1023 3.0x 10 21 6.0 x 1022 6.0x 1024

A: Given,  Moles of bananas = 0.10 moles To find, molecules of bananas??

Q: Iron is found in Earth's crust as several iron compounds: Calculate the mass (in kg) of each…

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Q: How many bananas are in 0.10 moles of bananas? O 6.0 x 1022 O 3.0 x 1023 O 3.0 x 10-21 O 6.0 x 1024

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Q: Combining one atom of carbon with two atoms of oxygen produces one molecule of carbon dioxide, along…

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Q: a. Calculate the molar masses of these two compounds(CH2FCF3 and CHClFCF3). b. What is the percent…

A: a) This question asks us to find the molar mass of two compounds given. b) Percentage composition…

Q: 4AL,(SO,), Element # of Atoms 4NAC H,O, 2Sr, (PO), Element # of Atoms Element # of Atoms Total Total…

A: 2Sr3(PO4)2   Element # of atoms Sr 6 P 4 O 16 Total 26

Q: The compound NH,NO3 can be decomposed to form N,0 and H,0. This can be represented at the atomic…

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Q: The atomic mass of Cl is 35.45 amu, and the atomic mass of Al is 26.98 amu. What are the masses in…

A: Atomic masses of Chlorine and Aluminum are given as: Cl = 35.45 amu Al = 26.98 amu Molecular mass of…

Q: How many grams of NO2 are needed to make 1.5 g of N2? NO2 -->   O2 + N2

A:

Q: Calculate the mass in grams 3 sig figs . Of 0.0591 miles of aluminum sulfate

A: Given:  Moles of aluminum sulphate = 0.0591 moles  Molar mass of Al2(SO4)3 = 342.15 gm/mol

Q: A chemist needs 32.0 g of phenol, C6H5OH, for an experiment. How many moles of phenol is this?…

A: Number of mols =Weight in g molecular weight in g/mol Molecular weight is the sum of the atomic…

Q: How many grams are in 3.01 x 10^24 molecules of O2

A: Given:  Molecule of O2 = 3.01 x 1024  Avogadro's number (NA) = 6.02 x 1023  Molar mass of O2 = 32…

Q: How many grams are in 5.32 x 10^22 molecules of CO2

A: Given,Molecules of CO2 = 5.32*1022 molecules. Molar mass of CO2 = 44.01g/mol.

Q: What mass of (NH2)2CO contains 8.9x1019 molecules of (NH2)2CO? 2.)How many atoms of O are 10.0 g of…

A: No o moles is defined as given mass divided by molecular mass.