2. A 1.235 g sample of unknown strontium chloride hydrate was found to have 0.511 g of water present. What is the percent of water in the hydrate?

Q: If 200 g of 40.0% by mass methanol is combined with another methanol solution to produce 500 g of…

A: 40% methanol  by mass means 100 g of solution contains 40 g of nethanol. Amount = Mass of solution ×…

Q: How much water would 29.21 grams of an insoluble sample with a density per of 4.35 g/ml displace?

A: Given, the mass of the insoluble sample = 29.21 g The density of the sample = 4.35 g/mL We have to…

Q: What is the mass of one mole of water (h2o)

A: Given,Moles of water, H2O = 1 molThe mass of 1 mole of water can be calculated as:

Q: calculate the percent of water in the copper (II) sulfate n hydrate by mass. Pentahydrate mass=…

A:

Q: A commercial bleaching solution contains 3.62% by mass ofsodium hypochlorite, NaOCl. What is the…

A: Since % by mass is defined as the percent of mass of solute in the solution present. i.e % by mass =…

Q: Analysis of a 29.1 g sample of water revealed a mass percent for lead of 4.35%. Calculate the number…

A: Mass percent of lead is equal to the mass of lead divided by the mass of water multiplied by 100.

Q: Calculate the mass (in g) of sample. 1 water molecule

A: Given, 1 water molecule

Q: A sample of a 20.0 % solution of KCI in water has a mass of 400. g. What mass of KCI is contained in…

A: A solution is made up of two components solute and solvent. A solute is present to a lesser extent…

Q: 38 g sodium nitrate is dissolved in water to make 538 g of solution. What is the percent sodium…

A: Given that: Mass of sodium nitrate = 38 g Mass of solution = 538 g Mass percent of sodium nitrate =…

Q: What is the mass of 5 ul distilled water?

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer…

Q: what's the concentration of solution in units of molarity when 79.23 g of sodium bromide is added to…

A:

Q: What is the percent by mass of a sodium hydroxide (NaOH) solution made by adding 83 grams of sodium…

A: Mass percentage of an element in a compound/solution is given by the mathematical expression- mass…

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

A:

Q: H2SO4 is the most widely used industrial chemical on Earth and will be required at least to some…

A: Given;

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 mass of ocean water in grams contains 50.8 g of NaCl?

A: Given :- % w/w = 3.4 %                mass of NaCl (solute) = 50.8 g  To calculate :- mass of ocean…

Q: A solution contain 28% phosphoric acid by :mass. This means

A: % by mass = 28% Given question doesn't mention mass of solution so we will assume mass of solution…

Q: How many grams of solute was

A: Given information, 3 moles of solute was incorporated in 800 grams of solvent to make a solution.…

Q: Theoretically, should the experimental mass percent water values for everyone who used the same…

A: Answer is yes  If everyone is calculating the percent mass of water in the same hydrate the answers…

Q: What is the percent by mass of 35g of magnesium chloride in 200g of water?

A:

Q: If the mass of of Na2CO3 is 0.011501g in 5ml of water, what is the mass in 106ml?

A:

Q: Determine the percent water in CuSO4∙5H2O to three significant figures.

A:

Q: What percent of water is in the  compound barium chloride dihydrate?

A: To Calculate: Percent of water is in the  compound barium chloride dihydrate.

Q: The molarity of distilled water is

A: Molarity is number of moles of solute in one litre of the solution

Q: sample of waterer (density is 0.998 g/mL) is measured to be 25.7mL.  How many mole of water are in…

A: Given: The density of water is 0.998 g/mL. The volume of the solution is 25.7mL. The molar mass of…

Q: Phosphoric acid is added to some sodas to enable more sugar to be dissolved. Some sodas have…

A: The question is based on the concept of mass percentage. The amount of substance present in hundred…

Q: A solution is to be prepared that will be 4.31% by mass calcium chloride. To prepare 186 g of the…

A:

Q: 13 mass of solute: Incorrec

A:

Q: How many of molecules of water, H2O, are in a glass of 240g water?

A:

Q: How many hydrogen atoms are in 1.0kg of water?

A:

Q: How many miles of HCI are in a sample of HCI with mass of 126g?

A:

Q: A 30% solution of NaCl by mass contain

A: Mass Percent: It is the method: It is the method to find out the concentration of any substance in…

Q: Based on this. What was the percentage by mass of water in the sample?

A: Given sample is = MgSO4·7H2OMolar mass of  MgSO4·7H2OMgSO4·7H2O =  24 + 32 + 16×4 + 72+16…

Q: What is the percent by mass of 35.0 g of magnesium chloride in 200 mL of water?

A: Given, 35.0 g of magnesium chloride in 200 mL of water

Q: 4. ocean water contains 3.4% sodium chloride by mass. How much salt can be obtained from 346.8 g of…

A: Given: Percentage of NaCl= 3.4% Mass of sea water= 346.8g To find: The mass of salt

Q: What is the percent by mass of 86.3 g of sodium chloride dissolved in 918.6 g of water ?

A: The mass percent of a component present in the mixture is calculated by dividing the mass of that…

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: Convert to moles 10.0mL H2SO4 (96%, 1.84g/mL)

A: To find mole , we have mass of H2SO4. Mass can be find using the following data.   The solution is…

Q: a. Calculate the mass percent of sand in the mixture.

A: To answer questions regarding laboratory experiment.

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: How many grams of MgCly are needed to prepare 665 mL of 0.881 molar aqueous MgCl?

A: Given :-  volume of MgCl2 solution = 665 mL  molar concentration of MgCl2 solution = 0.881 M or…

Q: How many milliliters of a 20% magnesium sulfate solution will contain 40 grams of the solute…

A: 20% solution represents that 100 ml of magnesium sulfate solution contains 20gm magnesium sulfate.…

Q: 15 mg/L of compound X is

A:

Q: A 20.0% solution of Kcl has a mass of 400 grams. What mass of KCl is contained in this solution?

A: Since ,           % by mass=mass of KCL in solutionmass of solutionx100%

Q: the molarity of a OL of solution?

A: Molarity of solution = Moles of solute/Volume of solution(in L) Moles of solute = Mass of…

Q: How much water would 29.21 grams of an insoluble sample with a density of 4.35 g/mL displace ?

A: Given information: Density is 4.35 g/mL Mass is 29.21 grams

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: If you by accident add more water than needed to your flask would the determined concentration of…

A: The solution becomes more dilute when water is added to a solution.

Q: How many water molecules are in 23.7g of water?

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