if 1.095 g of unknown is found to be 0.00575 moles of solute, what is the molar mass of the unknown. ( Your answer should have 3 sig figs)

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 57.0 umol of aluminum…

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Q: Consider a compound where it is determined that 0.576 g are equivalent to 0.0054 moles. What is the…

A: Given,Gram equivalent = 0.576 gMoles = 0.0054

Q: For this question, let's assume that both the number of moles (0.438 mol Co(No3)2 and the mass of…

A: We have to calculate number of moles and mass of solute [ Co(NO3)2 ].

Q: how Many moles are they

A: Given :- mass of CO2 =1100 g  To calculate :- number of moles of CO2

Q: on khowing the molečula weight of the solute is 327.33 g/mol and the density is 1.28 g/mL.

A: Given, volume of Solution = 250 mL  Molarity = 0.1 M  Molar mass of solute = 327.33 g/mol Mass of…

Q: A student in lab needs to make a solution that is 5.005.00% by mass NaCl. If 125 g125 g of NaCl is…

A: NaCl is ionic compund having Na+ and Cl- ions, they are also known as salts.

Q: Alt Hll. calculate the mass peizcentage Naz sOg in a 7g of SOg in lof salution Containing 413 of…

A: Given that: Mass of Na2 SO3 = 11.7 g Mass of water = 443 g  Total mass of solution = mass of water +…

Q: How many molecules are in 22.4moles of CCI,?

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Q: e molarity of

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Q: How many moles of H2 and N2 can be formed by the decomposition of 0.185 mol of ammonia, NH3?

A: The decomposition reaction of ammonia that will take place is  2 NH3 ------> N2 + 3 H2

Q: How many moles of MgSiO, are in 163 g of the compound?

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

Q: you want 0.135 mol of your reagent. it is supplied as a stock solution of 6.663 M. What volume in mL…

A: Welcome to bartleby!  Introduction :  We have to calculate final volume .

Q: The molar mass of oxygen is?

A: The mass of one mole of an atom or molecule is defined as the molar mass. The molar mass is…

Q: A water solution of sulfuric acid (H2SO4) has a density of 1.864 g/mL and is 73.0% H2SO4 by mass.…

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Q: In the preparation of brass, which is a copper-zinc alloy,19.0g copper is added to enoigh zinc to…

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Q: A ballon originally has a volume of 0.750 and 0.0335 moles of helium and then has 0.0560 moles of…

A: Given  Initial volume of He gas , V1 = 0.750 L Initial moles of He gas , n1 = 0.0335 mol Final moles…

Q: How many moles of ammonium ions are in 125 mL of 1.40 M NH4NO3 solution? ________ moles (give answer…

A: Molarity of a solution can be calculated by dividing the number of moles of solute with the volume…

Q: the molarity o) and final vo

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Q: e the maximum mass of water that could be produced by the chemical reaction. Be

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Q: v moles a

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

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Q: compound in the previous problem had a molar mass of 146.19 g/mole, what would be

A: Percent composition of element is the mass of element to the total mass of compound.

Q: How many moles of H2SO4 are there in 191 mL of a stock solution that reads 0.601M ?

A: Interpretation -  To determine the number of mole of  H2SO4 are there in 191 mL of a stock solution…

Q: vities [References) TUTOR Molarity: Mass Solute Calculate the mass, in grams, of KNO, required to…

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Q: You want to neutralize 15.9 mol of sulfuric acid with 8.72 M sodium hydroxide. How many L of that…

A: Given, moles of sulfuric acid (H2SO4) = 15.9 mol Molarity of sodium hydroxide (NaOH) solution = 8.72…

Q: The number of moles of caffeine in 50.0 g of caffeine is?

A: The given Mass of caffeine = 50.0 g  Molecular formula of Caffeine is C8H10N4O2

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: 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: e number of moles of solvent?

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: 13 mass of solute: Incorrec

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Q: What volume, in ml, of concentrated nitric acid (15.8 M) is required to react with 1.1378 g of solid…

A: Given: The molar mass of copper = 63.546 g/mol  molarity = 15.8 M Weight of copper = 1.1378 g To…

Q: Given : mass of unknown is 15.7g moles of unknown is 0.0502 What is the molecular weight of the…

A: Given :  Mass(m) of unknown = 15.7 gm  Number of moles (n) of unknown = 0.0502 moles  Molar mass of…

Q: 1, determine the mass of blue dye in the solution. ( of the dve is 792 84g/mol).

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Q: A nitric acid solution has a density of 1.424 g/mL and contains 75.0% HNO3 by weight. What is the…

A: Molarity is the number of moles of the substance dissolved in 1 litre of the solvent to make a…

Q: How many moles of Ba(OH)2 are present in 275 mL of 0.600 mol L-1 Ba(OH)2? Express your answer…

A: Volume of Ba(OH) 2= 275 ml = 0.275 L Molarity of Ba(OH) 2 = 0.600 mol L —1

Q: A solution of CaCl, in water forms a mixture that is 32.5% calcium chloride by mass. If the total…

A: Mass percent :- The mass of a component in grams present in 100 grams of a mixture is defined as…

Q: A solution of CaCl, in water forms a mixture that is 32.5% calcium chloride by mass. If the total…

A: Percentage by mass concentration of a solute in a solution is defined as the mass of that component…

Q: What is the mass percent of ethanol (CHCHOH) if 0.0793 moles of ethanol is added to 0.264 kg of…

A: The mass percent of a component present in the mixture is given by equation (1), in which, mc…

Q: A 5.00 ml sample of vinegar contains 0.0032 moles of acetic acid. Calculate the mass/volume percent…

A: Using formula mass/volume percent we can solve this problem.

Q: Calculate the molarity of 28.5 g of NaOH in 350. mL of an NaOH solution. Express your answer with…

A: Molarity of the solution is equal to the number of moles of solute dissolved in per liter of…

Q: e molarity of t

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Q: Find the molarity of aspirin (molar mass 180.157 g/mol) in a water solution that is 4.18 g/L by mass…

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Q: If I have 0.969 moles of a 0.499 M solution, what volume of that solution do I have in L?

A: Molarity is the measurement of concentration and is defined as the number of moles of solute per…

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: Calculate the volume (in mL) of 3.792 M sucrose containing 0.6185 moles sucrose.

A: Given :-  Molarity of solution = 3.792 mol/L  Number of moles of solute (sucrose) = 0.6185 mol  To…

Q: Use the References to access important values if needed for this question. A sample of a gaseous…

A: The mass of the sample is = 0.792 g The mass of carbon present in the sample is = 0.190 g The mass…

Q: How many g of Na2SO3 are in 350 mL of 1.10 M solution? ___ g (provide answer with the correct sig…

A: 1 M Na2SO3 solution means 1 mole Na2SO3 is present in 1 L means 1000 mL solution.  Molecular weight…

Q: How many moles of AlF3 (molar mass = 83.98 g/mol) are present in 648.35 mL of 1.08 M AlF3 ? Write…

A: Molarity is defined as number of moles of solute dissolved per litre of solution.

Q: Consider a compound where it is determined that 0.88 g are equivalent to 0.00256 moles.  What is the…

A: Data given: Mass of the compound, m = 0.88 g Number of moles of the compound, n = 0.00256 moles…

Q: Calculate the molarity of an aqueous sqlution that is 27.4% by mass calcium chloride. You might need…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".