Answered: Find the mass of 2.54 X 1023 molecules…

Find the mass of 2.54 X 1023 molecules of Ca(OH)2? Use: Ca = 42.0g, H = 1.15g and O = 15.8g as average atomic masses of each element present respectively.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: When I calculate 9.89g of caffeine (C8H10N4O2) into number of atoms I divide the mass by atomic mass…

A: Your calculations are on the right track, but it's important to understand the concept of the mole…

Q: How to calculate mass (in grams) of one formula unit of 13.0 g of Ca(NO3)2?

Q: The density of Bi at 25 °C is 9.808 g>cm3. How many Bi atoms are present in a cube of the element…

Q: Mg(s) + 2 HCl(aq) −−−→ MgCl2aq) + H2(g) given that the mass of magnesium is 0.030 g, find the…

Q: Phosgene, a substance used in poisonous gas warfare during World War I, is so named because it was…

Q: Calculate the mass of 1.00 x 1024 (a septillion) molecules of water.

A: Given : Number of water molecules = 1.00 X 1024

Q: A 4.866 gram sample of an organic compound containing only C, H, and O is analyzed by combustion…

A: Since all the carbon in carbon dioxide and hydrogen in water is coming from the organic compound…

Q: 1) How many sodium atoms are there in 0.3 moles of Na atoms? 2) A sample of carbon dioxide is made…

A: 1) given, Number of moles of Na atoms = 0.3 moles Number of sodium atoms = ?

Q: A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and 0.440 g of…

A: To answer this first of all we have to convert grams into moles and we have to determine the simple…

Q: a. How many ATOMS of boron are present in 7.41 grams of boron trichloride? 3.805x10^21 atoms of…

A: Molecule given = BCl3 1 molecule of BCl3 = 1×6.022 ×1023 Molar mass of BCl3 = 117.3 g/mol 117.3 g of…

Q: A 3.545 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

Q: A 5.549 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

Q: A 8.446 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: Mass of organic compound = 8.446 gram Mass of CO2 = 12.59 grams Mass of H2O = 3.867 grams Molar mass…

Q: Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed to react…

A: Given- Elemental sulfur occurs as octatomic molecules, S8. 17.8 g of sulfur to form sulfur…

Q: A 8.648 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: 8.648 gram sample of an organic compound containing C, H and O 18.63 grams of CO2 Number of moles…

Q: What mass of HCl in grams is neturalized by a dose of milk of magnesia containing 3.26g Mg(OH)2?

A: Given :- mass of Mg(OH)2 = 3.26 g To calculate :- mass of HCl (in g)

Q: What mass of ammonia gas (NH3) contains 2.8*10^24 hydrogen atoms?

Q: A 13.25 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: The objective of this question is to determine the empirical and molecular formula of an organic…

Q: Determine the mass percentage of carbon, C, hydrogen, H, and oxygen, O, in C8H₁6O₂. Refer to the…

Q: Diamonds are a crystalline form of pure carbon, and their mass is measured in units of carats (1…

A: Given: Mass of diamond = 84.37 carat And 1 carat = 200 mg = 0.200 g…

Q: Hydrates take the form: compound·nH2O. An unknown hydrate has a molar mass of 446 g/mol. If the…

Q: How many moles of Fe(NO3)2 are present in 32.176 g Fe(NO3)2?

A: Molar mass of Fe(NO3)2 = 56 + (14+ 16x3) x 2 = 56 + 124 = 180 g/mol Given mass of Fe(NO3)2 = 32.176…

Q: Quartz, SiO2, contains 46.7% silicon. What mass of silicon is present in 370 g of quartz?

A: To solve this problem we have to calculate the mass of silicon present in quartz .

Q: A binary compound of the elements X and Y is 1/3X by mass. The molar mass of element X is ¾ the…

A: Empirical Formula It is the simplest possible ratio of atoms present in a compound. To get the…

Q: A 19.89 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: We have to predict the empirical and molecular formula.

Q: Hydrogen peroxide H2O2 is commonly used to clean bacteria in scrapes and cuts. It can be used as a…

A: 1 mol of a substance has 6.022×1023 (NA) atoms/ molecules/ formula units of the substance.Number…

Q: 13.04 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: Given:- Mass of organic compound = 13.04g Mass of carbondioxide = 19.12 grams Mass of water =…

Q: Holy many moles of CO2 are contained in 42.0 x 1024 molecules of CO2?

Q: A compound contains 78.14% B and 21.86% H by mass and has a molar mass of 27.67 g/mol. What is the…

A: mass % of B = 78.14 %mass % of H = 21.86 % mass of hydrogen in 1 mole (27.67 g) of the compound = ?

Q: A 3.782 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

Q: A thyroid condition called goiter can be treated by increasing iodine in the diet. Iodized salt…

Q: A sample of C₂ H² has 1.76 × 10²4 H atoms. How many carbon atoms does the sample contain?

A: In a molecule of C3H8, the mole ratio of carbon to hydrogen is 3:8.Number of moles of a substance…

Q: Ammonium perchlorate NH4ClO4 is the solid rocket fuel that was used by the U.S. Space Shuttle and is…

A: The objective of this question is to determine the mass of water produced by the reaction of 6.89g…

Q: Cobalt(II) chloride forms several hydrates with the general formula CoCl2·xH2O, where x is an…

Q: A 1.19 g sample of an unknown halogen occupies 109 mL at 398 K and 1.41 What is the identity of the…

A: Given : Volume = 109 ml Temperature = 398K Pressure = 1.41 atm Mass = 1.19 g

Q: Alcoholic fermentation converts glucose (C6H12O6) into ethanol (C2H5OH) and carbon dioxide (CO2).…

A: Alcoholic fermentation of Glucose gives Ethanol and Carbon dioxide. It can be written in chemical…

Q: A compound containing hydrogen, H; boron, B; and oxygen, O, is analyzed and found to be 3.90%…

A: The empirical formula of a chemical compound is the simplest whole-number ratio of the atoms in the…

Q: What is the percent by mass of KClO3 in the original mixture

Q: A 3.76 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: Given: mass of sample = 3.76 g mass of CO2 = 2.12 g mass of H2O = 1.30 g 5.92 g produced 6.07 g SO3…

Q: How many grams is equivalent to 1.204 x 1024 molecules of NH3? How many moles are there in 584 g of…

A: 1 mol = Avogadro's number molecules = 6.022 * 10 23 molecules Moles = weight / molar…

Q: A 2.1880 g sample of a hydrate of Cu(NO3)2 was heated to drive off all of the water of hydration.…

A: The objective of this question is to determine the value of 'x' in the formula of the hydrate…

Q: MgSO, zH2O, is heated to 250 °C, all the water of hydration is lost. OH Heatinga MgSO, remains. How…

Q: How many moles of HCl are in 30.6 g HCl? Express your answer in millimoles. (atomic weights: H=1.01;…

A: • Thus, 839 millimoles of HCl are in 30.6 g HCl in correct number of significant figures.

Q: A chemical reaction calls for 0.125 moles of sodium acetate, NaC2H3O2. What mass, in grams, of…

A: The relationship between number of moles (n) and mass of a substance is given by: n=MassMolar…

Q: 1. Calculate the number of moles of chlorine in 2.34 x 1019 molecules of chlorine.

A: The question is based on mole concept. we have to calculate number of moles in given molecules of…

Question

Find the mass of 2.54 X 1023 molecules of Ca(OH)2?
Use: Ca = 42.0g, H = 1.15g and O = 15.8g as average atomic masses of each element present respectively.
%D
%3.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2 gives 23.3 g of a mixture of CO2 and SO2. Find the mass of sulfur in the original mixture.
Researchers obtained the following data from experiments to find the molecular formula of benzocaine, a local anesthetic, which contains only carbon, hydrogen, nitrogen, and oxygen. Complete combustion of a 3.54 gg sample of benzocaine with excess O2O2 formed 8.49 gg CO2CO2 and 2.14 gg H2OH2O. Another sample of mass 2.35 gg was found to contain 0.199 gg of NN. The molar mass of benzocaine was found to be 165 Find the molar formula of benzocaine. Express your answer as a chemical formula.
In a reaction, 1 mole of silver nitrate combines with 1 mole of sodium chloride. AgNO3 + NaCl Which statement about the product is justified by the law of conservation of mass? There will be five atoms in the product. There will be two molecules in the product. There will be 1 mole of silver (Ag) in the product. There will be 2 moles of sodium (Na) in the product.
The mass of C3H8O3 that can be made from 2.4 × 1023 H atoms is
Consider a sample of carbon tetrafluoride that contains 1.59 × 1024 atoms of fluorine. Using the formula CF4, What quantity in moles of fluorine are present?
How many moles of CS2 make up 2.45 x 1025 molecules of CS2?
a) Determine the empirical formula of a compound that contains sulfur and oxygen. It has been determined that 59.95% of the mass of this compound is oxygen. [ b) The molar mass of the compound is determined to be 240.189 g/mol. What is the molecular formula of the compound?
A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and 0.440 g of hydrogen. A) What is the simplest formula of the compound (Write C first and then H)? You won't be able to make the numbers a subscript. For instance, for MgCl2 enter MgCl2. B) The molar mass of the compound was found to be 42.08 g/mol. What is the molecular formula of the compound? You won't be able to make the numbers a subscript. For instance, for MgCl2 enter MgCl2.
What is the mass, in kg, of 1.25x1024 molecules of BF3? How many grams of potassium are in 32.8g of K2CrO4?
The element silver (Ag) has two naturally occurring isotopes:109 Ag and 107Ag with a mass of 106.905 u. Silver consists of 51.82%107 Ag and has an average atomic mass of 107.868 u. Calculate the mass of 109 Ag.
Calculate the mass of 1.00×10241.00×1024 (a septillion) molecules of water.
Calculate the mass (in kg) of 2.67x10^25 atoms of nickel (Ni). Molar mass of Ni is 58.71g/mol.