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

Q: You use 500.0g of a solid to prepare a solution that has a concentration of 7.40% by mass. What is…

A: Given: Mass of solid solvent = 500.0 g. Concentration of solid in %(m/m) = 7.40 %

Q: if magnesium sulfate is mixed with water, will it form a homogeneous or heterogeneous solution? Why?

A: Given : We have to tell whether the mixture of magnesium sulfate and water is homogenous or not.

Q: a sample of ammonia (NH3) Liberates 5.59 KJOF heat as it solidifies at its meining point Whar is the…

A: Given : Amount of heat liberated = 5.59 KJ And the heat of fusion of ammonia = 5.66 KJ/mol.

Q: a) What is the mass of the original sample? b) What is the mass of NaCI in the sample? c) What is…

A: Mixture is material made up of two or more substances. separation of mixture is process in which the…

Q: If 20.0g of copper(II) chloride reacts with 20.0 grams of sodium phosphate in aqueous solutions…

A: Given reaction 3 CuCl2 (aq) + 2 Na3PO4 (aq)  →  Cu3(PO4)2 (s)   + 6 NaCl(aq.)Mass of CuCl2 = 20.0…

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

A:

Q: If 23.3 grams of an aqueous solution of manganese(II) sulfate, MnSO4, contains 5.96 grams of…

A: Percentage by mass – ratio of Mass of solute to the Mass of solution and multiplied by 100 is…

Q: A student measures the mass of a sample of a metallic element, M. Then the student heats the sample…

A: Given: Mass of metal M is measured. And then the mass of compound MO forming after heating it with…

Q: Calculate the percent by mass of water. 54. Na2CO3 · 10H2O(s)

A:

Q: What is the mass of H2SO4 in a 48.1 cm3 sample of concentrated sulfuric acid that has a density of…

A: The given question is related to analytical chemistry. The mass of any compound is equal to…

Q: astronauts on the International Space Station are staying​ healthy, so they have them routinely test…

A:

Q: Complete combustion of 16 liters of gasoline consisting of a mixture of heptane gas (C7H16) and…

A: Recall the reaction for complete combustion of a mixture of heptane and isooctane.       C7H16 +…

Q: A bottle of a tile cleanser contains 135 g of HCl and 775 g of water. What is the percent by mass of…

A: Generally the mass percent is determined by using following expression.

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

A:

Q: Wine is approximately 12% ethanol (CH3CH2OH) by volume. Ethanol has a molar mass of 46.06 g/moland a…

A:

Q: 2NaOH + H2SO4→ → Na2SO4 + 2H2O What is the mole ratio of sodium hydroxide to water?

A: Sodium hydroxide reacts with sulfuric acid to form sodium sulfate and water. The equation for the…

Q: What mass of a concentrated solution of nitric acid (68% HNO3 bY mass) is needed to prepare 400 gram…

A:

Q: the unknown mixture is heated and the NaHCO3 decomposes, what happens to the NaCl and how does that…

A: The answer is as follows:

Q: How many moles of potassium are given to a patient who receives 580mL of a maintenance solution that…

A: Given volume = 580 ml Concentration of potassium ion = 35mEq/L conversions used 1 ml = 10-3 L 1…

Q: n. Calculate the maximum mass of water that could be produced by the chemical reaction. Rou

A:

Q: How many sulfite ions are contained in 99.6 mg of sodium sulfite?

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: A 4.00 g sample of a hydrate of nickel(III) bromide looses 0.793 g of water when heated. Determine…

A: It is given that the mass of hydrate of nickel (III) bromide is 4 gOn heating it losses 0.793 g of…

Q: 48.1g of aluminum hydroxide to molecules of aluminum hydroxide

A: Consider the given information is as follows; Mass of aluminum hydroxide = 48.1 g…

Q: Do parts per million denote a concentration that is a mole ratio? Does the concentration of a…

A: ppm(parts per million) is mg/L.

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: Cocaine (C₁₇H₂₁O₄N) is a natural substance found in cocaleaves, which have been used for centuries…

A: For part a), use the given solubility of the salt to find the mass that is soluble in the given…

Q: A sample of 10 ml of a solution of KBr has a mass of 12.60g. When the solution evaporates, the…

A:

Q: What volume of 1.44 M KMN04, in liters, contains 292 g of solute? Volume = L. %3D

A: Given that, Molarity of KMnO4 = 1.44 M  Molar mass = 158.034 g mol-1 Mass of KMnO4 = 292 g  Volume…

Q: 1. How many grams of water (H20) are there in 2 mol of water? 1 mol H20 = g (round to hundredth)

A: atomic mass of H = 1 g/mol atomic mass of O = 16 g /mol 1 mol H2O =  2 x1 + 16 = 18  g H2O

Q: How many grams of CaCl2CaCl2 are needed to make 623.4623.4 g of a solution that is 36.036.0% (m/m)…

A:

Q: How many 325 mg tablets of aspirin are required to prepare 30 tablets of 10 grains?

A: Here we need to determine the number of 325 mg tablets required to prepare 30 tablets having 10…

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: A 1.30 g sample of titanium chemically combines with chlorine gas to form 5.16 g of titanium…

A:

Q: The correct amount of KF and of water that must be mixed to prepare 225 grams of a 4.18% by mass…

A: Mass of KF is calculated as follows: Mass % = Mass of the solute KFMass of solution×100 %4.18 % =…

Q: A solution is prepared by dissolving 125 g sucrose (C12H22O11) in 135 g H2O.  Calculate the mass %…

A: Given; The mass of the solute is 125 g. The mass of water is 135 g.

Q: how many milligrams of sodium are contained in 4.50g of NaCl

A: Given, Mass of NaCl = 4.50g

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: The solution is made by dissolving 25 g fructose in water to make 100 g of the solution. What is…

A: %W/W of the solution is  Mass of solute/mass of solution × 100%   mole of the solution = mass of…

Q: How many grams of Na are present in a 15 g sample of NaCl?

A: The number of moles for a given chemical species can be defined as the ratio of mass to the molar…

Q: a person consumes 4lts of oxígen (O2) per minute when breathing.how Many moles would that be per…

A: given:Vol of Oxygen consumed= 4LTime taken to consume = 1 mintotal time oxygen is taken in = 1 hr =…

Q: Solute Solvent 20 °C 40 °C 60 °C 80 °C Sucrose Water Sucrose Benzene Answer Bank 360 g 240g…

A: Solubility The amount of solute present in 100 g of solvent is known as solubility. The solubility…

Q: =5.90 bar. kl/mol

A:

Q: If cobalt(II) sulfate is heated too strongly, the following reaction will occur CoSO4(s) à CoO(s) +…

A: The dehydration reaction can be defined as the conversion reaction which involves the loss of water…

Q: How many grams of a 7.50% by mass calcium nitrate solution are needed to obtain 3.75 grams of…

A: In this question, we want to determine the mass of the solution which needed to obtained 3.75grams…

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 bottle of a tile cleanser contains 135g og HCl and 775g of water. What is the percent by mass og…

A:

Q: what mass of ethanol and water would you need to make an 80.0g mixture containing equal number of…

A: Mass=No. of moles×molar mass⊙ molar mass of Ethanol CH3CH2OH=2×atomic⊙ mass of C+6×atomic mass of…

Q: A chemist prepares a solution of vanadium(III) bromide (VBr) by measuring out 12. mg of VBr, into a…

A: Given, Note: 1000 mg = 1 g, 1000 mL = 1 L mass of VBr3 = 12. mg = 0.012 g Volume of the flask =…

Q: What is the percent of NaOH by mass for 120 g of NaOH in 1000 g of water?

A: 120 g of NaOH in 1000 g of water.Mass of the solution is mass of the solute plus mass of the…

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.…