Can you hlep my homework? 13. (a) How many moles of Ca(NO,), are present in the 124.0 g sample of this sub(b) How many formula units are present in the 124.0 g of Ca(NO3),?(c) How many nitrate ions are present in the 124.0 g of Ca(NO;),?(Must show complete work including calculation of molar mass)14. Calculate the moles and the mass of solute(g) in 362.0 mL of 4.00 M Na,CO;?

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

Answered: Can | bartleby

Science

Chemistry

Can

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter7: Chemical Formula Relationships

Section: Chapter Questions

Problem 51E: Molybdenum (Z=42) is an element used in making steel alloys. It primarily comes from an ore called...

See similar textbooks

Related questions

Q: All mirrors are flat.

A: False All mirror are not flat. Only plane mirror are flat mirror

Q: Balance the following redox reaction (Give the final overall balanced equation): CrO42- + I- → Cr3...

A: Given reaction is ., CrO42- + I- ---------> Cr3+ + I2

Q: 2. In Part A of this experiment you will prepare 0.1 M solutions of sodium carbonate (NazCO3), sodiu...

Q: On reaction with HCI, one of the trimethylcyclohexanols shown below furnishes a single product; the ...

A: In presence of HCl acid SN1 nucleophilic substitution will take place.

Q: 3. Indicate whether each of the following is an electrolyte or a nonelectrolyte in aqueous solution:...

A: a. NaNO3 is an electrolyte in aqueous solution. NaNO3 = Na + + NO3 - b. PCl3 is non electrolyte...

Q: Consider the following reaction:2 ��(�) + ��2 (�) → ��2��3 (�) + �2�(�)What volume of CO2 (g) at 2...

A: Chemical reaction : 2 LiOH + CO2 ---> Li2CO3 + H2O Mass of LiOH = 1.00 g Volume of CO2 = ?

Q: What TWO strategies could be used for the development of substrate-based inhibitors for HIV aspartyl...

A: Protease is an enzyme in the body that's important for HIV replication. Protease inhibitor drugs blo...

Q: What is the cell notation for the following cell reaction? 3Ag(s) + Fe3+(aq) → Fe(s) + 3Ag+(aq)

A: Answer is given as follows

Q: Q6-) Complete the following Grignard reaction. Mg CH3 H,C-Br THE

A: The solution is as follows :

Q: The thermal decomposition of PH3 is a first order process: 4 PH3(g) P4(g) + 6 H2(g) If the value for...

Q: 2

A: Mass of water(solvent) = 100 gm Freezing point of solution = - 0.085°C Depression in freezing poin...

Q: 4) Consider a solution of 1.4 m of HN3 (molar mass=63.0 g/mol) its density=1.15 g/ml. Calculate the ...

A: Given: The molality of the solution (m)= 1.4 The molar mass of the solute= 63.0 g/mol The density of...

Q: True/False The change in entropy (Delta S) for the surroundings is equal to the negative of the enth...

A: We are given the question statement. The correct option is: a. True

Q: Calculate the wavelength of an electron (m=9.11 x 10^-28 g) moving at 3.22 x10^6 m/s

Q: Here are the equilibrium constants for several reactions. Which of them favor formation of products...

A: The value of equilibrium constants decides whether the reaction is in forward or in backward directi...

Q: Using what is/are produced, which reaction or process does not form a new element? O A metastable nu...

A: Given statements Reaction which does not form a new element = To be determined

Q: Solve fast

A: The reaction octahedral complexes show Nucleophilic substitution Dissociative mechanism,

Q: Suppose you added 4.0 moles of sugar to 10.0 L of solution. Calculate the molar concentration of the...

A: Molar concentration (also defined as molarity) is a measurement of a chemical species concentration ...

Q: A chemical engineer is studying the t wo reactions shown in the table below. In each case, she fills...

A: Given temperature T =423k so we’ve to calculate delG value. if delG=+ve , then reaction is non spont...

Q: Calculate the free energy change for this reaction at 25 °C. Determine if the reaction is spontaneou...

Q: 2) A sample of N2(g) has a volume of 16.7 L at STP. What is the pressure of N2(e) when the volume an...

Q: 1. Draw the step-by-step mechanism of the following hydrolysis of nitrile compound in acidic and bas...

A: a.

Q: Demonstrate the Law of Conservation of Mass. Balance equation, work problem, and answer the multiple...

A: Law of conservation of mass Mass of an isolated system can neither created nor destroyed. But it can...

Q: Consider a photon with an energy of 7.51 x 10-19). Determine the wavelength of the photon (in units ...

A: We have given that Energy of photon = 7.51×10-19J To calculate the wavelength of photon we have to ...

Q: The Ka of benzoic acid, a common organic compound, is 6.46 x 10-5. Determine , the Gibb's Free Energ...

A: Using the relation between gibbs free energy and equilibrium constant we can solve this problem.

Q: H* Key A H* A- H* Dissociated H* ion A H* H* A Dissociated A ion H* A- A- A H НА Does the diagram ab...

A: Strong acids are those which completely gets dissociate in aqueous solution. Weak acids are those wh...

Q: Arrange the following 0.10 M solutions in order from most acidic to most basic: NH4+ HNO...

A: Given question of three compounds. NH4+ HNO3 HNO2 We have to order of most a...

Q: The most probable position of an electron in a hydrogen atom in the second excited state: Note: ap r...

A: When the electron jumps from the first energy shell to second energy shell, it attains the first exc...

Q: 38.5.85g NaCI dissolve in water to make 200.mL of volume of solution. Density of solution is found t...

A: The Molarity of solution is calculated by the formula, Molarity=Given weightMolecular weight×Volume ...

Q: The equilibrium constant, Kc , for the following reaction is 7.00×10-5 at 673 K.NH4I(s) NH3(g) + HI(...

A: Concentration of NH4I ([NH4I]) = No of moles / Volume in L ...

Q: Sulfur dioxide gas turns filter paper moistened with an acidified solution of potassium dichromate f...

A: The balanced chemical reaction is the reaction in which all the elements are balanced in the reactan...

Q: Predict the products and balance the equation: No Spacing betwe coefficients and elements/compounds....

A: Fe3O4 : H2 : Hydrogen Fe : Iron H2O : Water

Q: What are the coefficients in front of IO 3 -( aq) and I -( aq) when the following equation is balanc...

A: Given incomplete redox reaction; __IO3-(aq) + __ I-(aq) → ____ I2(aq) Balanced redox reaction in aci...

Q: table shows weather data for three days in degrees Fahrenheit, °F. Asheville's Weather uary 1 Januar...

A: Change in weather is due to winds. Change in temperature takes place due to movement of air.

Q: Consider the reaction between I2 and Cl to form ICI: 21 12(g) + Cl2(g) = 2 ICI(g) When the reaction ...

A: Equilibrium is the state of a reaction on which no net change in concenteration of reactant and prod...

Q: Write the dissolution reaction for iron(II) acetate in water.Be sure to specify the state of each re...

A: Introduction: Iron forms a coordination complex with acetic acid called Iron(II) acetate. It is whit...

Q: DRAW Covalent bond for LiBr and SI2

A: The solution is as follows :

Q: If the volume of the lung of a healthy adult male is 4.7 L at 1.2 atm. What is the volume of the gas...

Q: Why does the concentration of H3O+ and OH- equal each other in neutral water?

A: pH = -log[H3O+] [OH-].[H3O+] = kw Kw = 1.0 × 10-14 M2

Q: experiment on the table below. Calculate the H* and OH concentrations of these solutions, and indica...

A: Since you have asked a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate ...

A: Hii there, As there are multiple question posted. we are answering first question. If you need furth...

Q: Without consulting the tables, what sign do you expect for the change in entropy (delta S) for the f...

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can ...

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of t...

A: Given Temperature range = -14.1°c to 29.5°c Mass = 17.3g Standard values Specific heat of ice = 2.0...

Q: 3. If you were running a reaction and wanted it to go faster, what three things might you try to ac...

A: To increase the reaction rate ( speed ) we can increase the amount of reactant because rate of rxn d...

Q: What is the pK (= −log K) at 25°C for the reaction below? 2 Al3+(aq) + 3 Hg(l) → 2 Al(s) + 3 Hg2+...

A: We will use relation of E°cell and Equillibrium constant

Q: Friedel crafts Acylation of P-cresol?

A: The structure of the p-cresol is as follows:

Q: Which of the two is aromatic? Explain why.

A: Huckel's rule for aromaticity states that a molecule must meet all of the following four conditions ...

Q: Which of the following is not a needed material for heating of water sample? O A. Dessicator O B. To...

A: In a laboratory, different apparatus are used to to handle different chemicals, mixtures and to carr...

Q: Write the reaction for the enthalpy of formation of potassium perchlorate.

A: Given question of potassium perchlorate Potassium perchlorate (KClO4) write the reaction for the en...

Q: Nitroglycerin decomposes to form carbon dioxide, water vapor, nitrogen, and oxygen. Suppose 2.27 gra...

A: Solution- the decomposition of C3H5N3O9 is shown by fellowing chemical equation 4C3H5O9 →12 CO2 + 10...

Concept explainers

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.

Question

100%

Can you hlep my homework?

13. (a) How many moles of Ca(NO,), are present in the 124.0 g sample of this sub
(b) How many formula units are present in the 124.0 g of Ca(NO3),?
(c) How many nitrate ions are present in the 124.0 g of Ca(NO;),?
(Must show complete work including calculation of molar mass)
14. Calculate the moles and the mass of solute(g) in 362.0 mL of 4.00 M Na,CO;?

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Chromium(lll) nitrate forms a hydrate that is 40.50% water by mass. What is its chemical formula?
A newspaper article about the danger of global warmingfrom the accumulation of greenhouse gases such as carbondioxide states that “reducing driving your car by 20 milesa week would prevent release of over 1000 pounds of CO2 per year into the atmosphere.” Is this a reasonable statement?Assume that gasoline is octane (molecularFormula C8H18 ) and that it is burned completely to CO2 and H2O in the engine of your car. Facts (or reasonable guesses)about your car’s gas mileage, the density of octane, andother factors will also be needed.
Given that the molar mass of carbon tetrachloride, CCl4 , is 153 g, calculate the mass in grams of 1 molecule of CCl4 .
Atoms of three different elements are represented by O, , and . Which compound is left over when three molecules of O. and three molecules of . react to form O. And O?
A mixture of tetraphosphorus trisulfide and powdered glass is in the white tip of strike-anywhere matches. The P4S3 is made by the direct combination of the elements: 8P4+3S88P4S3. If 133g of phosphorus is mixed with the full contents of a 126-g(4-oz) bottle of sulfur, how many grams of the compound can be formed? How much of which element will be left over. The tips of strike-anywhere matches contain tetraphosphorus trisulfide, which reacts with the oxygen in the air in an exothermic change to inititae the burning reaction.
Molybdenum (Z=42) is an element used in making steel alloys. It primarily comes from an ore called molybdenite, MoS2. What mass of pure molybdenite must be treated to obtain 201kgMo?
itamin B12 , cyancobalamin, is essential for human nutrition. Its molecular formula is C63H88CoN14O14P . A lack of this vita min in the diet can lead to anemia. Cyanocohalamin is the form of the vitamin found in vitamin supplements. l type='a'> What is the molar mass of cyanocobalamin to two decimal places? How many moles of cyanocohalamin molecules are present in 250 mg of cyanocobalamin? What is the mass of 0.60 mole of cyanocobalamin? How many atoms of hydrogen are in 1 .0 mole of cyanocobalamin? What is the mass of 1.0107 molecules of cyanocobalamin? What is the mass (in grams) of one molecule of cyanocobalamin?
What information must a chemist obtain in order todetermine the empirical formula of an unknowncompound?
Iron ore is impure, Fe2O3. When Fe2O3 is heated with an excess of carbon (coke), metallic iron and carbon monoxide gas are produced. From a sample of ore weighingQA 938 kg, 523 kg of pure iron is obtained. What is the mass percent Fe2O3, by mass, in the ore sample, assuming that none of the impurities contain Fe.
How many formula units of chalk are in my name?
In a lab, a grade 11 chemistry student measured 0.30g of solid magnesium metal. The student proceeds to burn the magnesium metal in a Bunsen burner and a bright white light is observed. When the experiment is done, the mass of magnesium oxide is 0.41g. The percentage composition of magnesium metal in magnesium oxide sample is ...?
Chromium(III) nitrate forms a hydrate that is40.50% water by mass. What is its chemical formula?