What mass (in grams) of precipitate forms, if the percent yield is 45.9%?

Q: MGNH&PO4-6H2O has a solubility in water of 0.023 g/100mL. Suppose a student obtains 0.7193 g of…

A: Solution:- Given the solubility of MgNH4PO4.6H2O is 0.023 g/100 mL  Mass of precipitate = 0.7193 g…

Q: A sample of processed meat scrap weighing 4.000 g is digested with concentrated H;SO, and…

A: Given: Weight of meat scrap sample = 4.000 g To calculate the percentage protein in the meat scrap.

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

A: Given : Wt of precipitate (Silver chloride) = 0.750g Normality of silver nitrate = 0.105N  MW of…

Q: Suppose 0.653g of copper(II) acetate is dissolved in 50. mL of a 62.0 mM aqueous solution of sodium…

A: We have to calculate the Molarity of acetate ion.

Q: 7. A laboratory sample of soda ash was prepared by mixing 2.0984 g Na,CO, and 3.1196 g NaCI.…

A: Given data,Mass of Na2CO3=2.0984gMass of NaCl=3.1196gMass of KCl=8.1423gVolume of…

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A:

Q: A 2.663 g sample contain thiourea (NH,),CS (76.12 g/mol) was extracted into a dilute H,SO, solution…

A: The question is based on the concept of quantitative analysis. we have to calculate percentage…

Q: determine the mass of precipitate formed when zinc acetate solution (made from 1.095g solid) is…

A: We will first write balanced equation, then using stoichiometric calculations calculate the mass of…

Q: aqueous solution of silver acetate, AgCH3COO, contains 4.32 grams of silver acetate and 17.6 grams…

A: An  aqueous  Solution contains   AgCH3COO and H2O.  Therefore ,Mass of  aqueous  Solution  =Mass of…

Q: Solubility Curves of Selected Compounds 150 140 130 120 110 100 NaNO 90 80 70 60 50 NHC KCI 40 Naci…

A: solubility is a measure of extent upto which a solute can be dissolved in respective volume of…

Q: Given & Potassium hydroxide (aq) + Phodhroic acid (an) → Given 59.2 gmmy of potassium phosphate…

A:

Q: The phosphorus in a 0.3724 g sample was precipitated as the slightly soluble (NH,);PO,.12M0O3. this…

A: Given: Mass of PbMoO4 produced = 2.7346 g And mass of phosphorous sample used (with P4O10 in it) =…

Q: A student was given a solution of unknown molarity of Potassium Hydroxide (KOH). On the lab bench…

A: Part a- Potassium hydrogen phthalate should be chosen as standard solution because the pure form of…

Q: Solid calcium acetate is slowly added to 75.0 mL of a 0.169 M potassium hydroxide solution until the…

A: Calcium acetate reacts with potassium hydroxide to give calcium hydroxide and potassium acetate.…

Q: Suppose 11.0 ml of 0.880 M CoCl, solution is added to 53.0 ml of 0.590 M NICl, solution Calculate…

A: Given: 11.0 mL of 0.880 M CoCl2 solution is added to 53.0 mL of 0.590 M NiCl2 solution.  We have to…

Q: A 50.0 ml solution contains only Na2SO4 (MW 142.04 g/mole).  If 40.0 ml of 0.25 M BaCl2 is needed to…

A: To calculate the number of reactants required for product formation, we must have a balanced…

Q: 6. 100.0 mL of a silver nitrate solution is added to 98.75 g of a water sample. The density of this…

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

Q: Consider the reaction of 30.0 mL of 0.235 M Bal, with 20.0 mL of .315 M Na;PO4. Since Bal, is…

A:

Q: re asked to weigh 2 g of lithium and add it to 1500 ml of distilled water +2 drops of indicator,…

A: Li reacts with water releasing H2 gas and form LiOH. Clearly, Li is the limiting reagent. Reaction…

Q: mass of lactic acid is

A:

Q: 2. Zinc is one of the most valuable metals in the building and construction in- dustry. One of the…

A: Given :  In step 1 zinc sulphide reacts with oxygen to form zinc oxide and sulfur dioxide.  In step…

Q: and 75.0 mL 1.20 M 1.

A:

Q: What is the experimental yield (in g of precipitate) when 15.5 mL of a 0.7 M solution of iron(III)…

A: We have 15.5 ml of 0.7 M of FeCl3, 15.8 mL of 0.701 M of Pb(NO3)2 . We have percentage yield as…

Q: 1.) In a 15.00 g sample of ferilizer that is 10-30-10 by label, how many grams of pure phosphorus do…

A: To calculate how many grams of pure phosphorus are in a 15.00 g sample of fertilizer that is labeled…

Q: Purpose: What is the mass of precipitate formed when 3.43g of barium hydroxide in solution reacts…

A: The objective of the question is to calculate the mass of the precipitate formed when barium…

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

A: Given that: Weight of AgCl = 0.750 g Normality of AgNO3 = 0.105 N

Q: stoic A Exactly 600.0 mL of a solution that contained 447.7 ppm of Ba (NO3), were mixed with 250.0…

A: The mass and number of moles of a compound can be calculated from a balanced chemical reaction. A…

Q: In gravimetric determination of sulfate present in the soil, 0.2075g of sample was treated with 0.2…

A: The reaction between Sulfate present in the salt and BaCl2 is as follows, SO42- + BaCl2 →BaSO4 +…

Q: pb2+ +2kcl = pbcl2 + 2k, when 28.5g kcl is added to a solution containing 25.7gpb2+, a pbcl2…

A: Given ,

Q: A solution of HCI is standardized against a sample which has been previously found to contain 71.22%…

A:

Q: What mass of potassium chloride (KCl) is soluble at 40oC?

A: The given solubility graph of salts is :

Q: (2) The addition of Na,SO, is continued until the second cation just starts to precipitate as the…

A: PbSO4 is a binary salt, therefore, its Ksp = 1s2 Or 1.3 x10-8 = 1s2  Or s = √1.3 x10-8 =1.14 x 10-4…

Q: . Sodium acetate can be formed from the metathesis/double replacement reaction of sodium bicarbonate…

A:

Q: Use the data below to determine the % by mass of Fe to TWO decimal places, if a 0.019 M KMnO4…

A: Answer:- Firstly a balanced chemical equation is written then using the simple concept of…

Q: he percent of copper(II) ion remaining in solution is  %.

A:

Q: The steps for determining the concentration of a sample of hydrochloric acid are listed below : Step…

A:

Q: You mix aqueous solutions of 100.0 mL 1.70 M NaCl and 75.0 mL 1.20 M Pb(NO3)2, calculate the mass of…

A:

Q: Compare statement A with B. Indicate whether Statement A is (Greater than, Less than, Equal, or…

A: The absorption of a substance from a gaseous medium by solids or melts is known as occlusion. Rather…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: It is given that Na2CO3 is present in excess whereas AgNO3 is present in a limited amount. So AgNO3…

Q: A 9.12g of KClMgCl26H2O is to be dissolved to prepare a solution in sufficient water to give 1.500L.…

A:

Q: Q. A 12.5% (w/w) NICI2 (129.6l g/mol) solution has a density of 1.149 g/mL. Calgulate(a) the molar…

A:

Q: Solid potassium hydroxide is slowly added to 75.0 mL of a 0.117 M lead(II) cyanide solution until…

A: Reaction of KOH with Pb(CN)2: 2 KOH + Pb(CN)2  → 2 KCN + Pb(OH)2

Q: 6. The phosphorus content in a 0.3004-g sample was precipitated as (NH4);PO4 .12M0O3 a slightly…

A: Given: Mass of PbMoO4 precipitate formed = 0.3017 g. And mass of sample used = 0.3004 g. Molar mass…

Q: Consider the reaction of Potassium Phosphate and Nickel (II) Bromide, where 15.00 ml of 0.7000M…

A: Given:  Volume of K3PO4 = 15 ml Molarity of K3PO4 = 0.7 M Volume of NiBr2 = 15 ml Molarity kf NiBr2…

Q: When a 8.000 g of mineral ore sample containing Sn(CO,), (238.7 g/mol) and other inert material was…

A: Given that ,  Mass of mineral ore sample containing Sn(CO3)2 = 8.00 g  Molar mass of Sn(CO3)2 =…