Calculate the number of nitrogen atoms in a 100.0 g sample of hydrazine (N,H). Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits. x10

Q: Calculate the number of hydrogen atoms in a 130.0 g sample of tetraborane (B,H10). Be sure your…

A: Calculation of number of hydrogen atoms:

Q: O STOICHIOMETRY Interconverting number of atoms and mass of compound Calculate the number of oxygen…

A: Welcome to barlteby !

Q: How many daL of bromine are in 15.7 x 1022 molecules?  (The density of bromine is 3.1 g/cm3) The…

A: Given: The density of bromine = 3.1 g/cm3 We have to find How many daL of bromine are in 15.7 x 1022…

Q: Calculate the number of nitrogen atoms in a 150.0g sample of hydrazine N2H4. Be sure your answer…

A: The question is based on mole concept. We have been given mass of hydrazine. we have to calculate…

Q: This is an impossible formula. If it were real, determine the percent abundance of N. C₁H₂N2…

A: given, formula = C1H2N2 Molar mass of C1H2N2 = 1×12.01 g/mol + 2×1.01 g/mol + 2×14.01 g/mol = 42.05…

Q: The chemical name for Tums is calcium carbonate, CaCO3, is used to treat symptoms caused by too much…

A: Given: Mass of CaCO3 = 522.61 mg = 0.52261 g                                                 (Since…

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

A: Given: The formula for acetic acid = CH3CO2H.

Q: Calculate the number of phosphorus atoms in a 60.0 g sample of diphosphorus pentoxide (P,O,). Be…

A:

Q: Calculate the number of nitrogen atoms in a 110.0 g sample of dinitrogen tetroxide (N,O,). Be sure…

A:

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: How many significant figures should your answer have? 8.101 + 0.10 = O 1 O 2 O 3 O 4 O 5 O 6 O 8

A: In addition, significant figure of answer will be equal to less significant figure in all given…

Q: 2-Calculate the number of atoms in each of the following masses:a.54.0 g of aluminum

A: Calculation of number of atoms.

Q: This is the chemical formula for cassiterite (tin ore): SnO2 A geochemist has determined by…

A: Given : The formula of cassiterite is SnO2. And the moles of tin i.e Sn in the cassiterite sample =…

Q: A certain organic compound has the formula C8H13O2. A sample of this compound weighs 5.89 grams.…

A: Mass of C8H13O2 = 5.89 g Molar mass of C8H13O2 = 141.184 g/mol Moles of C8H13O2 =MassMolar mass=5.89…

Q: How many carbon atoms are present in 5.98 moles of carbon atoms? Give your answer in scientific…

A:

Q: Calculate the number of oxygen atoms in a 60.0 g sample of diphosphorus pentoxide (P,O,). Be sure…

A:

Q: What is the mass in grams of 1.37 × 1016 chromium atoms? Put your answer in box in scientific…

A: Given: Number of chromium atoms, Cr = 1.37 × 1016 atoms.

Q: Calculate the number of magnesium atoms in a 60.0 g sample of forsterite (Mg, SiO). Be sure your…

A: Given,  The mass of forsterite (Mg2SiO4 ) = 60.0 g.  The number of atoms of Magnesium is:

Q: What is the percent by mass of hydrogen in Ca(OH)2? Group of answer choices 2.72 % 1.36% 21.6 %…

A: % by mass basically tells about the concentration of one element present in the mixture. The formula…

Q: Calculate the number of hydrogen atoms in a 150.0 g sample of ammonia (NH,). Be sure your answer has…

A: Given, Mass of sample of ammonia (NH3) = 150.0 g Number of hydrogen atoms in a 150.0 g sample of…

Q: The chemical formula for diethyl amine is: (CH;CH,),N H 2 Calculate the molar mass of diethyl amine.…

A: Mass of one mole of substance is known as molar mass of substance. It may be calculated by adding…

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

A: Given : Chemical formula of acetic acid = CH3COOH  And moles of carbon in acetic acid sample = 42…

Q: oxyge What mass of nitric oxide is produced by the reaction of 2.1 g of ammonia? Be sure your answer…

A: Given:-  Mass of ammonia = 2.1 g  Reaction:-  NH3 + O2 ----> NO + H2O

Q: 2. Calculate the mass of each of the following: a. 20.0 mL of nitrogen gas b. 7.0 L of hydrogen gas…

A: One mole of any gas at STP occupies 22400 ml of volume. It is called molar volume.

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

A: Molar mass is the sum of atomic masses of each atom present in a molecule. Atomic mass of C= 12…

Q: This is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE):…

A:

Q: Mass of KHP 4.0 4652 g .5282 g 40 4831 Initial Burette Reading 40.39 0.39 mL 40 11.01 mL 22.70 ml…

A: 1) KHP is a monoprotic acid with molecular formula C8H5KO4. Hence it reacts with base NaOH as per…

Q: How many formula units are in 30.912 g of potassium permanganate? Give answer to the correct number…

A: A numerical problem based on formula unit, which is to be accomplished.

Q: mmonium nitrate: NHẠNO3(s) N20(g) + 2H209) How many g of dinitrogen monoxide can be made from 1.62 x…

A: In this question, we want to determine the mass of N2O gas in gram unit.  You can see details…

Q: The number of hydrogen atoms present in 1 mol of hydrogen is 6.022 x 1043 اختر احدى الدجابات True…

A: The question is based on mole concept. We have to identify number of atoms present in 1 mole of…

Q: A chemist adds 1.10 L of a 0.0035 mol/L copper(II) fluoride (CuF,) solution to a reaction flask.…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: What is the mass in grams of 8.91 × 1016 chromium atoms? Put your answer in box in scientific…

A:

Q: Calculate the number of vanadium atoms in a 80.0 g sample of vanadium(V) oxide (V,O5). Be sure your…

A: here we are required to find the number of vanadium atoms in 80g sample of Vanadium oxide using…

Q: How many atoms are there in 77.9 g of selenium? You will need to divide your answer by 1.0X10^23

A:

Q: Calculate the number of oxygen atoms in 1.46 grams of Fe2(SO4)3 1 mole 6.02 x 1023 = Edit Format…

A:

Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg3(Si,03),(OH), An…

A: Given Chemical formula for talc = Mg3(Si2O5)2(OH)2 Moles of Silicon in the sample = 0.055 mole Moles…

Q: Use the data below to determine the mmoles of sodium oxalate to 2 decimal places. (MM sodium oxalate…

A: Consider the given information is as follows; Mass of sodium oxalate = 0.093 g Molar mass of sodium…

Q: Find the percentage by mass of oxygen (O) in N2O3 if it is 36.9% nitrogen (N) by mass. (Round your…

A: Percentage by mass of an element in a given compound can be calculate by the formula,     percentage…

Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg3Si2O52OH2 An…

A: Given data: Number of moles of silicon = 13  Chemical formula of talc = Mg3(Si2O5)2(OH)2

Q: A 1.125-gram piece of magnesium was burned in the presence of oxygen, forming 1.866-grams of the…

A: Given : Mass of magnesium burned = 1.125 g And mass of magnesium oxide formed = 1.866 g

Q: Calculate the number of atoms in 1.02 ×x 10¯º moles of helium. x 10 atoms (Enter your answer in…

A:

Q: How many atoms of oxygen are in 231.000 grams of lead (IV) oxide? Enter your answer using Canvas's…

A: moles : Mole, also spelled mol, in chemistry, a standard scientific unit for measuring large…

Q: A sulfur dioxide gas sample has a volume of 242.62 mL at 242279 pascals and 82.99oF. Calculate the…

A: Given,

Q: How many helium atoms are there in a helium blimp containing 534 kg of helium?   Express the number…

A: Mole= mass/molar mass  Molar mass of Helium =4g/mol So first Calculate mole Then atoms…

Q: How many fluorine atoms are present in 5.56 g of C2F? Express your answer to three significant…

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

Q: Calculate the moles of ammonium phosphate produced by the reaction of  1.9mol of phosphoric acid.…

A: Given values - Mole of H3PO4 = 1.9 mole

Q: A pure sample of an organic molecule has the formula CxHyOz. If x = 11, y = 13, and z = 2. Calculate…

A: The molecular formula of the given compound is CxHyOzthat is C11H13O2.

Q: Calculate the number of atoms in a 4.07x 10^ 3 g sample of calcium

A:

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

A: Molar ratio basically exhibits the proportion carried by distinct atoms available in one compound.…

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.