Answered: Find the number of atoms (N

Science

Chemistry

Find the number of atoms (N

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section13.6: Expressing Solution Composition

Problem 13.5PSP: Drinking water may contain small quantities of selenium (Se). A sample of water contains 30. ppb Se;...

See similar textbooks

Related questions

Q: Directions: Provide what is being asked in each of the following items. Show a complete solution.…

Q: What is the percent by mass (%m/m) concentration of sodium bromide (NaBr) in a solution prepared by…

A: % m/m is defined as % m/m = mass of solute X 100 / mass of solution mass of solution = mass of H2O…

Q: Find the moles of calcium hydroxide if certain mass of calcium hydroxide was dissolved in 600 g of…

Q: Be sure to answer all parts. How many moles and numbers of ions of each type are present in the…

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: A mole of substance weighs its molar mass and contain avagadro number of particle and occupied 22.4…

Q: Calculate the number of moles a.) 270 mL C2H5OH (d = 0.789 g/mL)

A: Here given, The volume (V) of C2H5OH = 270 mL The density (d) of C2H5OH = 0.789 g/mol From these…

Q: . A sample of mercury(I) nitride weighs 3.33 dg. How many nitrogen atoms are in this sample? The…

Q: The allowable concentration level of vinyl chloride, C2H3Cl,in the atmosphere in a chemical plant is…

A: Given: The concentration of vinyl chloride, C = 2.0*10-6 g/L

Q: Determine the molarity of a solution formed by dissolving 19 g of NaBr in enough water to yield 755…

A: Number of moles of a substance is equal to the mass of a substance divided by its molar mass.

Q: What is the concentration of a 14.75 L solution that contains 6.80 moles of potassium bicarbonate?

A: Concentration = moles /volume(in L) Mol/L = molar concentration of solution

Q: 1. Convert 5% by mass acetic acid (MM = 60.052 g/mol) to molarity. 2. How many moles of acetic acid…

A: PART 1.Given:mass % of acetic acid =5% (m/m)Let, mass of acetic acid= 5g∴ mass of solution =100gmass…

Q: A solution of ammonia and water contains 4 10x1025 water molecules and 5 90x1024 ammonia molecules…

Q: What is the molar concentration (in mol/L) of the solution prepared by dissolving 1.679 g of…

A: Given that: Volume of the solution (V) = 100.00 mL = 0.100 L Mass of…

Q: Using molarity to find solute A chemist adds 70.0 mL of a 7.27 x 10 -4 mol/L copper(II) fluoride…

Q: the concentration of lithium dissolved in the oceans of the world is about 2.9x10^-5 M if i want to…

Q: Answer number 3 and 4

Q: Determine the moles of water in 1.50 × 103 g of water. options: 1.20 × 102 83.3 8.33 0.0120

A: Number of moles = mass / molar mass ••(1) Atomic mass of H = 1 g/mol Atomic mass of O = 16…

Q: Calculate the number of grams in these quantities. 5.17 x 1021 molecules glucose, C6H12O6 64.6 mL…

A: 1) Since moles = number of molecule / Avogadro's number where Avogadro's number = 6.022 X 1023

Q: This is an experiment of a salt hydrate CuSo4 xH20 obtained during a practical. Use these values to…

A: Mass of Crucible with salt hydrate = 23.564 g Mass of empty…

Q: Please in handwriting show how to solve for H+ ions -0.167=0.1400-0.0591/2 * log (0.108)/(H+)^2

Q: A chemist adds 150.0mL of a 0.0013/molL copper(II) fluoride CuF2 solution to a reaction flask.…

Q: (c) How much volume of 1.3 M NaOH solution can be made by diluting 48 ml of 4 M NaOH. (d)…

Q: How do you find the molar mass of a solute? What do you do with it to find the number of moles of a…

A: Explained as follows

Q: A chemist prepares a solution of magnesium chloride (MgCI,) by measuring out 25.5 mg of MgCl, into a…

A: Given:: mass of MgCl2 = 25.5 mg = 0.0255 g molar mass of MgCl2 =95.211 g mol-1 volume = 50 ml =…

Q: How many centiliters are in 9.98 x 10-9 dekaliters

Q: 5. Calculate the number of molecules in 5.00 mol of NH3. A. 3.01 x 1024 molecules of NH3 B. 1.03 x…

A: Given, Moles of NH3 = 5.00 mol. The number of molecules of NH3 in 5.00 mole of NH3 is:

Q: 1) Answer the following question related to gravimetric analysis. This question continues on the…

A: Hello. Since you have posted multiple questions and each question has multiple sub-parts, the first…

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

Q: A chemist prepares a solution of sodium nitrate NaNO3 by measuring out 101.μmol of sodium nitrate…

Q: Directions: Provide what is being asked in each of the following items. Show a complete solution.…

A: ✓ About Aspirin ✓ It is also known as acetylsalicylic acid used to reduce pain, fever, or…

Q: Use the following data and steps below to calculate the formula of the copper chloride hydrate.…

A: Given : Mass of aluminium pan = 0.4661 g And mass of CuCl2 produced after heating with pan = 1.1357…

Q: 2. Calculate the number of moles in 500 mg Na SO?. (MW of Na,SO,=293.8 mg/mmol). Dr. Marwa Nizar…

Q: A glucose solution is frequently used as an intravenous (IV) solution to supply hydration and/or…

A: a. Molarity = no of mole/volume of solution in litre Given, Molarity=0.278M Volume=2.05L Mole of…

Q: How many moles of ammonium ions are present in 0.28 L of 0.386 M ammonium sulfate? Enter your…

Q: A chemist prepares a solution of sodium carbonate Na2CO3 by measuring out 11.μmol of sodium…

A: Molarity = (no.of moles of solute÷ volumeof solutionin liter)

Q: A soft drink contains 39 g of sugar in 303 g of H2O. Part A What is the concentration of sugar in…

A: We have given that Mass of sugar = 39 g Mass of water = 303 g

Q: Determine the mass of 500g of ammonia % solute by mass 28 density 0.90 g/mL

A: % solute by mass= 28 % This means 28 g of ammonia in 100 g of solution. Density =0.90 g/m

Q: Show all calculations and steps: 12. The maximum concentration of mercury in drinking water that is…

A: Mole concept helps to determine the mass or moles of any substance present in solution.

Q: A chemist prepares a solution of zinc nitrate ZnNO32 by measuring out 91.g of zinc nitrate into…

A: Molarity:- It is the number of moles of the solute dissolved per litre of the…

Q: Using your percentage composition of Calcium acetate, Magnesium hydroxide, Hydrogen cyanide.…

Q: You dilute the river water 10 times for the analysis of SDS concentration. The instrument measures…

Q: What is the percent by mass NaCl of a solution that contains 56.0 grams of BeO and 138.0 grams of…

A: Given: The mass of the solute, i.e; BeO=56 g. The mass of the solvent, i.e; H2O=138 g. Therefore…

Q: 3. Calculate the mass of magnesium sulfate heptahydrate that you will need to add to 25 mL to make a…

A: * To determine the moles of sodium carbonate, provide the molarity of the solution or using the…

Q: Prove that the statement is correct, give the solution and formula of the problem the correct…

A: Given statement is : The correct coefficient of this equation is 4 and 3 in the equation KClO3…

Q: chemist prepares a solution of sodium carbonate Na2CO3 by measuring out 36.6μmol of sodium carbonate…

A: Molarity of a solution = Moles of soluteVolume of solution in L

Q: How many sugar molecules are present in 300 mL of a 2.0 M solution? (The formula for sugar is…

A: Molarity = 2.0 M Volume = 300 ml = 0.3 litres Number of moles = molarity x volume(litres)

Q: Complete the table. Mass Mass Mass Mass Solute Solvent Solution Percent 2.55 g 25.0 g 45.8 g 3.8%…

A: For 2nd and 4th row I have filled the table Mass solute Mass solvent Mass solution Mass percent…

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 97.1 mg of FeBr, into a…

Q: The recipe for crazy cakes is as follows: 1 1/2 cups flour (all-purpose) 3 Tbsp. cocoa (unsweetened)…

A: The moles of acetic acid are calculated as,

Question

Find the number of atoms (N) in 0.053 mol aluminum metal. Then calculate natural logarithm (ln) of N. Answer with two decimal places.

There are _____ moles of water molecule for 4.15 x 10²⁴ water molecules. Keep two decimals.

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

What percentage of NaCN is carbon? A. 25 % B. 31 % C. 11 % D. 22 %
How many moles of calcium hydroxide are made from 5.3 moles of water? CaC2 + 2H20 ---> C2H2 + Ca(OH)2
When finding out the moles of water, why is the denominator of that 18.02? Wouldnt it be the other way around and have the denominator be 1000g?
Do parts per million denote a concentration that is a mole ratio?Does the concentration of a component in a mixture depend on the amount of the mix-ture?
Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot solution of potassium hydroxide. Calculate the volume in L of chlorine gas needed to produce 604.17 mL of 4.64 M potassium chlorate. The density of chlorine gas is 3.17 g/L. Atomic Mass: K: 39.098 g/mol Cl: 35.453 g/mol O: 15.999 g/mol H: 1.008 g/mol Round your answer to 2 decimal places.
An experiment using the reaction below produces 20.19 grams of chlorine gas (Cl2). What mass of HF is produced by this experiment? Round your answer to the nearest 0.01 and remember to include units and substance! HCl + F2 -- > HF + Cl2
A synthesis reaction produces ammonia: 3H2 (g) + N2(g) -> 2NH3 (g). What is the maximum amount of ammonia (in g) that can be produced from 1.20g of hydrogen and 11.2g of nitrogen? Upload an image of your full solution.
Determination of the amount of water, mass of crucible + dehydrated sample is 16.2265g, mass of dehydrated Sample is 1.3031g, mass of water is 0.3587g, moles of water is 0.01991g, Determination of the Amount of Copper, mass of copper is 0.6291g, Calculate moles of Copper.
One of the challenges astronauts face is in space travel is the build-up of carbon dioxide in their spacecraft. The average human exhales about 42.0 g of carbon dioxide per hour. One method to remove the excess carbon dioxide from the air is using solid lithium hydroxide: CO2(g) + 2 LiOH(s) → Li2CO3(2) + H2O(l) If a typical cannister of LiOH contains 750.0 g, how many hours will it last for one person before it has to be replaced?
CHEMISTRY (Please write the complete solution legibly. No long explanation needed. Answer in 2 decimal places. Box the final answer.) Copper metal reacts with dilute nitric acid according to the following equation:3Cu (s) + 8HNO3 (aq) → 3Cu(NO3)2 (aq) + 2NO (g) + 4H2O (l)If we start with 0.500 mol of copper metal, how many moles of water will be formed?
For parts of the free response question that require calculations, clearly show the method used and the steps involved in arriving at your answers. You must show your work to receive credit for your answer. Examples and equations may be included in your answers where appropriate. Answer the following questions related to the analysis of CaBr2CaBr2. (a) A student has a 10.0g10.0g sample of CaBr2CaBr2. Show the setup of the calculation to determine the number of moles of CaBr2CaBr2 in the sample. Include units in the setup. (You do not need to do any calculations.)
In a lab, there is a jar of solid sodium bicarbonate and a 1.2M solution of acetic acid. (a) Calculate the amount of sodium bicarbonate to use in the experiment, in units that are appropriate to measure this substance. Consider this outline of steps: Moles of CO2 --> Moles of sodium bicarbonate --> grams of sodium bicarbonate (b) Determine the amount of acetic acid that must be used, in units that are appropriate to measure this substance. Moles of CO2 --> Moles of acetic acid --> L acetic acid --> ml acetic acid