Theoretically, should the experimental mass percent water values for everyone who used the same hydrate be approximately the same value? Why or why not?

Q: Determination  of the Amount of water, mass of crucible + dehydrated Sample is 16.2265g,  mass of…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: 36.0 g of glucose (C,H1206). If the molar mass of glucose is 180 g/mol, Use Mathematics A solution…

A:

Q: How to separate silver chloride from lead chloride by equivalent proof

A: Silver chloride and lead chloride can be separated on the basis of solubility. Both can be separated…

Q: moles

A: Titration of KHP with NaOH

Q: mass percent

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Q: What's the theoretical percent water in tin(IV) chloride hexahydrate ?

A: The percent water by mass can be calculated by multiplying the ratio of water mass to the total mass…

Q: what is the percent by mass

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Q: 4 kg of water would boil at the highest temperature if 1 mol of ______ were used?  fill in the…

A: When a non volatile solute is added to water, vapour pressure of later is lowered and hence boiling…

Q: What is the mass of the sample?

A: Formula :-  q = mc∆T  Where : q = heat enery  m = mass of sample  c = specific heat of the sample…

Q: What will be the number of moles of water in 1 L volume of water?

A: In this question, we have to find out the correct answer of given problem by the help of Mole…

Q: How many moles are in 220.0g of NaCl? Round to 2 decimal places.

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: y close is your molar volume calculation to the accepted value for mol

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Q: graph of melting temperature (°C) versus percent stearic acid by mass

A: The data given is,

Q: When doing a dilution, the concentration should go (up / down / stay the same). The total number of…

A: Molarity = no.of moles of Solute/volume of solution in L

Q: ne molarity of

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Q: Calculate moles of barium chloride in 427g of 3.81% by mass. Barium chloride solution

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Q: v moles a

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Q: Design a flowchart that could be used tohelp convert particles to moles or moles to particles.

A: A flowchart that could be used to help convert particles to moles or moles to particles is given…

Q: Do parts per million denote a concentration that is a mole ratio

A: Parts per million is also called as ppm.

Q: Ascorbic acid (C,H306) is also known as Vitamin C. How many molecules of C,H,0, does a Vitamin C…

A: Given,

Q: 1) How many moles of water are in two moles of magnesium sulfate heptahydrate?

A: Since you have asked question #1, we will solve the same for you. If you want any specific question…

Q: The unknown metal sulfates are hygroscopic and will absorb water from air. The unknowns must thus be…

A: Given: The hygroscopic unknown metal sulfates kept in desiccators.   To find: How would your results…

Q: Now let's suppose it's your turn to be the professor. You want to write a question for your students…

A: Since we want the unknown to be toluene  Hence the data (pressure, temperature and volume) should be…

Q: if 1.095 g of unknown is found to be 0.00575 moles of solute, what is the molar mass of the unknown.…

A: Given data : Mass of the unknown = 1.095 gms Number of moles = 0.00575 We can apply the formula for…

Q: Calculate the empirical formula of the alum. Show (URGENT NEED HELP FAST) calculations for moles a…

A: (For Trial 1)    Given that -  Mass of beaker + alum, KAl(SO4)2.xH2O = 50.249 g  Mass of beaker =…

Q: How do you find the average percent water in an unknown?

A: Let's say there is any unknown sample given with some mass M.

Q: 2. A 1.235 g sample of unknown strontium chloride hydrate was found to have 0.511 g of water…

A: Given : Mass of hydrate compound = 1.235 g And mass of water present = 0.511 g

Q: 2. Using your data from Part II of the experiment, determine the percent water in the original…

A:

Q: This question already has all soltions. Please show the steps how the answers m% in red was…

A: Mass loss= 6.656g Mass of  solvent and extract = 209.424g Mass % =(6.656÷209.424)×100 =3.178%

Q: What is the volume of a 0.55 M solution that contains exactly 16.17 g of Calcium Hydroxide. answer…

A: Please find your solution below : Molarity is a measure of concentration and is defined as number of…

Q: Calculate the mass (g) and moles of the alcohol sample.

A: 2.) Mass can be calculated using volume and Density .  Moles can be calculated using mass and molar…

Q: What is the mass of 7.24x10 to the 23rd formula units of barium oxide?

A:

Q: How much lithium sulfite in grams, should be added to water to prepare a 627 mL of solution with a…

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Q: 1.) What the Concenfration of is sugar so lution containing 50g of sugan and 450 g of water by mass…

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Q: How many g of Na2SO3 are in 350 mL of 1.10 M solution?

A: To solve this problem first we will calculate the number of moles of Na2SO3 in the Solution then…

Q: how many mols are in 3.26x10 to the 26th power formula units of calcium chloride

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Q: Chemical Formula Molar Mars Number of Moles Subrtance Mass (9) of atoms or moleculen Soda Pop Can Al…

A: Soda pop can : Chemical formula- Al Molar mass- 27 gmol-1 Steel Iron wool: Chemical formula- Fe…

Q: COlumn s the mass of this

A: Given as, T=30oC Now, T=30+273T=303ok

Q: If a water sample has 0.07 mol of calcium ions in 15 L solution, what is the water hardness level in…

A: Given moles of calcium = 0.07 moles Volume of solution = 15 L

Q: What are the number of moles in one litre of water assume that water density is 1 g/mol.

A: The number of moles can be calculated by the ratio between the mass of the compound to its molar…

Q: Which of the molecules' may not be separated if amount of sample is doubled ? write the number of…

A: To answer which molecules will not be separated if the amount of sample is doubled.

Q: A residue of potassium chloride will be left in the "container" after the heating is completed. Do…

A: Here  we have told that a residue of potassium chloride will be left in the container after the…

Q: What is the mass percent of water within the copper (II) chloride dihydrate?

A: What is the mass percent of water within the copper (II) chloride dihydrate?

Q: Most students reported molecular masses larger than the actual value. What is a possible reason for…

A: The change in the properties associated with a given volume of solvent at a temperature value due to…

Q: Calculate the molarity of 0.800 mol of glucose in 0.350 L of a glucose solution. Express your answer…

A: Molarity = mol / volume(in L )

Q: One serving of cola, 365g,  contains  39 g of sugar. What is the percent concentration of sugar?

A: GIVEN: Amount of cola: 365 g Amount of sugar: 39 g To calculate: The percent concentration of sugar

Q: How much lithium sulfite in grams, should be added to water to prepare a 627 mL of solution with a…

A:

Q: What is the number of moles in 2L of water?

A: Given  Volume of H2O = 2L = 2000 mL We know that , Density of water = 1g/mL We also know that,…

Q: You have a solution that is 12.7% sodium carbonate, by mass. a. What mass of sodium carbonate is in…

A: Mass percent is a method of expressing concentration of the solution.   amount of substance present…