if 1.095 g of unknown is found to be 0.00723 moles of solute, what is the molar mass of the unknown. ( Your answer should have 3 sig figs)

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: How many moles of KI are in 1.36×1024 formula units?

A:

Q: 0.279 g of the hydrate CoCl2•nH2O is heated to produce 0.197 g of anhydrous CoCl2 (MM = 129.83…

A: Given: Mass of hydrate = 0.279 g Mass of anhydrous CoCl2 = 0.197 g Molar mass of CoCl2 = 129.83…

Q: A volume of 56.0 mL of He at STP: How many moles? b. Weight how much? Contains how many molecules?…

A: Given: Volume of He at STP = 56.0 mL

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,?

A:

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

A:

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

A:

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: Ascorbic acid (CH,O,) is also known as Vitamin C. What quantity in molecules of CH,O, does a Vitamin…

A: Given: Mass of C6H8O6 = 1025 mg Or mass of C6H8O6 = 1025 ×10-3 g And we know that the molar mass of…

Q: the molarity o) and final vo

A:

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

A:

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: What is the maximum mass of aluminum chloride that can be formed when reacting 22.0g of aluminum…

A: The balanced chemical equation is given by

Q: A solution of CaCl, in water forms a mixture that is 37.5% calcium chloride by mass. If the total…

A: Given information: Mass percent of calcium chloride = 37.5% Total mass of the mixture = 652.7 g

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

A:

Q: what is the amount of calcium

A: We know that molar mass of Ca=40 g and calcium Saliyslate=314.30 g

Q: What is the molarity of a solution prepared by dissolving 37 mol KMNO4 in enough water to make 903 L…

A: Dear student I have given answer to your question in the image format.

Q: How do you calculate mass of a known substance (sodium chloride for example) given its amount in…

A: Given,  If moles of known substance given, the mass of a substance can be calculate by using:

Q: What is the mass percentage of C in morphine, C,,H1,NO,? Provide an answer to two decimal places.

A: We have many molecules around us. They all are composed of different elements and have different…

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: How many grams of caffeine (CgHyON&O2) are present in 0.04821 mol of caffeine?

A: A mole is a ratio of a given weight to the molecular mass of a substance. Grams are used to measure…

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

A:

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).

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 binary compound of carbon and hydrogen has the following percentage composition: 82. 66% carbon,…

A: Given a binary compound of carbon and hydrogen. Carbon % = 82.66 %Hydrogen % = 17.34 %

Q: A sample of naphthalene was analyzed in the laboratory and it was determined that the sample…

A: Number of moles (mol) = Given mass (g)Molar mass (g/mol)Given that:Number of moles= 0.457 molesMolar…

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: 0.0984 g of an unknown chloride is dissolved in water. A solution of silver nitrate is added and…

A: Let the original unknown chloride be = MClmass of MCl = 0.0984gcompound added to MCl solution=…

Q: present

A: Dear student I have given answer to your question in the image format.

Q: How would I find the mass and moles of the solute?

A: Here, we have to explain how one can find the mass and moles of solute.

Q: please help find d. Molarity of sodium hydroxide e. Volume of sodium chloride f. Mass of final…

A: In this question, Experimental data for the preparation of soap is given  From the given data , we…

Q: Although somewhat toxic, barium chloride has been used as a cardiac stimulant. Calculate the number…

A: % by mass is given by  % by mass = mass of solute X 100 / mass of solution  Since here solute is…

Q: what will be the number of molecules in one mole o2?

A: The number of moles of a compound can be determined by the number of moles of the compound and…

Q: How do you calculate molarity of vinegar when vinegar is 5% by mass acetic acid and it's density is…

A:

Q: A solution of CaCl, in water forms a mixture that is 38.5% calcium chloride by mass. If the total…

A: We have to calculate the mass of calcium chloride and water.

Q: A sample is found to contain 66.8 % NaHCO, by mass. What is the mass of NaHCO, in 4.25 g of the…

A: Mass by mass percentage (w/w) When mass of solute in a solution is expressed in grams of solute in…

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: 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: How many grams of a solution that is 5.2 % sucrose by mass are needed to obtain 18 g of sucrose

A: Given: Mass percent = 5.2% Mass of sucrose = 18 g

Q: If a student calculated that 0.0035 moles of acetic acid present in a 5.0mL sample of vinegar. Then…

A: given: moles of acetic acid = 0.0035 moles molar mass of acetic acid = 60.052 g/mol mass of acetic…

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: 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: You weigh out 13.264 Of Nacl. Howmany moles Na are in your sample?

A: One mole of any species contains its molar mass values,  using mole concept we easily determine how…

Q: Calculate the number of moles of barium chloride in 427 g of a 3.82% by mass barium chloride…

A: Given a solution 427 g  of 3.82% of barium chloride. Amount of BaCl2 present in grams = 427 x 3.82%…

Q: How many moles of H2SO4 are there in 117.4 mL of a stock solution that reads 0.763M ?

A:

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

A:

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".