a 10.000 g sample of hydrated nickel iodate Ni(IO3)2 * H20 is heated in order to driver off the water. after heatin gthe sample weighs 8.500 grams. what is the formula for hydrated nickel iodate?

Q: How many mL of concentrated H2SO. (FW 98.1 g/mol, 94%, d = 1.831 g/ml.) are required to prepare I L.…

A:

Q: You can purchase hydrochloric acid in a concentrated form thatis 37.0% HCl by mass and that has a…

A: HCl = 37 % by mass 100 g of solution contains 37 g of HCl Density of solution = 1.20 g/mL Density…

Q: B. Weight of Na2SO4 Sample 0.3512 g C. Total Vol. of Precipitant (BaCl2) used WITH 1М ВаCI2 PLEASE…

A:

Q: How to prepare a 500 mL solution of 2.0 N Sulfuric acid (H2SO.) from concentrated bottle of Sulfuric…

A: First we will calculate normality of concentrated acid. Then calculate volume of this solution…

Q: 3. A 1.20-gram sample of a hydrated salt is heated to a constant mass of 0.80 gram. What is the…

A: Introduction: The amount of water in a hydrated salt can be determined by drying the hydrated salt.…

Q: If 4.12 L of a 0.850 M-H3PO4 solution is be diluted to a volume of 10.00 L, what is the…

A:

Q: A sample of concentrated nitric acid has a density of1.41 g/mL and contains 70.0% HNO₃by mass.(a)…

A: Given: Density = 1.41g/mL Mass % of HNO3 = 70.0% We need to find the mass of HNO3 and Molarity of…

Q: The density of solution prepared by dissolving 60 g of sucrose (molar mass= 342 g/mol) in 900 g of…

A: Given data: The density of the solution is 1.96 g/mL. The mass of water is 900 g. The mass of…

Q: Is water available in ethanol?

A: Ethanol is an organic chemical compound. It is a primary alcohol. Its formula is CH3−CH2−OH. It…

Q: 1. What is the name of the basic unit (what is repeated over and over)? 2. Which of A or B is the…

A: Since your question contains multiple subparts. So, we will only solve the first three, to get the…

Q: A 0.250 M solution of Na2C2O4 (134 g/mol) is to be used in a reaction in which the C204²- will be…

A:

Q: Precipitation into ocean water, sea ice melting, runoff from rivers, streams into oceans all cause…

A: Ocean water salinity is defied as the amount of salt dissolved in ocean water. Higher the…

Q: Q7\ How to prepare 20 ML)of 0.1 N g/ml & percentage 97%m.wt of H2SO4 98% of H2SO4, if the density…

A:

Q: How many grams of CaCl2CaCl2 are needed to make 126.9126.9 g of a solution that is 39.539.5% (m/m)…

A: Solution concentration = 39.539% (w/w).That is 100g solution contains 39.539 g calcium chloride.

Q: Q4: You want to prepare 1L of a solution containing 1ppm Fe. How many grams ferrous ammonium…

A: 1- First we will calculate the mass of this given salt :  Concentration of this salt is 1ppm that…

Q: A solution is prepared by dissolving 18.3 of CaCl2 in 406g of water. The density of the resulting…

A: Molarity is the number of moles per litre of solution. Volume = mass/density

Q: A 19.51 ݃ sample of impure methylamine, which contains 72.58% (by mass) of CH3NH2 , is reacted with…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: what volume, in mL of ethanol (C:H&O), are present in the bottle?

A: Given :- %v/v = 6.50%  volume of beer (solution) = 750.0 mL  To be calculated :- volume of ethanol…

Q: How many grams of CaCl, are needed to make 636.6 g of a solution that is 41.5% (m/m) calcium…

A:

Q: What volume in milliters of 1.420M sulfuric acid is needed to neutralize 3.209g of aluminum…

A: Calculate the number of moles of aluminum hydroxide. The molar mass of aluminum hydroxide is 78…

Q: An 8.00 mL sample of a stock solution of sodium acetate is diluted with enough water to form 100.0…

A: In this question, we want to determine the Concentration of original stock solution.  How we can…

Q: what volume, in ml of ethanol (C:H.O), are present in the bottle?

A: Given :- %v/v = 6.50 %           Volume of solution (beer) = 750.0 mL  To be calculated :- volume of…

Q: When 25 g of ethanol (MW 46.07 g/mol) is mixed with 25 g of water (MW 18.02 g/mol) at 25 C, the…

A:

Q: o Which of the following solvents is the best to use for recrystallization of Solute A? а. Water b.…

A: The best solvent for recrystallization (which will give the highest yield) is the one which has…

Q: A 1.20 gram sample of a hydrated salt is heated to a constant mass of 0.80 gram. What is the…

A: Given,  Mass of hydrated salt = 1.20 g  Mass of anhydrous salt = 0.80 g  What is the percentage by…

Q: A solution is prepared by dissolving 24.5 g of CaCl2 (MW = 110.98 g/mol) in 355 mL of water. The…

A: Molarity indicates the concentration of solution, which is expressed as mol/L. Given: Mass of CaCl2…

Q: What is net ionic for CuSo4+NH4Cl ?  Does CUCl2 Considered Insoluable ?

A: The reactants given are  1) CuSO4 (aq)  2) NH4Cl (aq) Since the 2 salts will react and undergo…

Q: If we want 44.3g of Silver(I) sulfate to form what volume in mL of 0.238M lithium sulfate is…

A: Given :-  volume of silver nitrate solution = 159 mL  molarity of silver nitrate solution = 0.049 M…

Q: Q No 13 Given dat hydrogen peroxide H₂O₂ is 30% by mas density = 111 g/cm³ Molarity = ?

A:

Q: A solution of ethanol (C2H5 OH) in water is prepared by dissolving 85.0 mL of ethanol (density =…

A: Given :-  volume of ethanol = 85.0 mL  density of ethanol = 0.79 g/cm3  volume of solution = 350.0…

Q: In the "Methodé Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine.…

A:

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: About measures: choose only the correct alternative(s). Choose one or more: a) 10.0 g of ascorbic…

A:

Q: The degradation of organic waste to methane and other gases requires water content. Determine the…

A: Solutions

Q: How many of liters 3.5 M of C3H&O can be prepared by 70 grams of C3HSO?

A: Molarity: It is defined as the number of moles of solute present in one liter of solution. It is…

Q: amt of salt and amt of water must be mixed to come up with 250g brine solution that is 50% salt by…

A: Given,        The mass of brine solution = 250 g.         The percent by mass of salt = 50%

Q: A slution contains 15 g of sucrose (mw=342.3 amu) dissolved in 200 g water. The density of the…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: An aqueous potassium iodate (KIO,) solution is made by dissolving 561 grams of KIO, in sufficient…

A: Given: The mass of KIO3 = 561 g The final volume of the solution = 3.30 L We have to calculate the…

Q: Calculate the mass percent of a sucrose solution that is made by mixing 5.270 grams of sucrose into…

A: We have to prepare a solution by mixing 5.270 g of sucrose into the water until the solution has a…

Q: A 290.3-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A:

Q: 500g of Al2s3 is dissolved in H2o to make 15.0 L of solution. What is its normality? (MW:…

A: Normality = (wt.)/{(equivalent wt.)×Volume(L)} ---(1) We know that:  Equivalent wt = (moleculer…

Q: Nitric acid is a potentially dangerous strong acid that must be handled with great care. A…

A:

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: Weight of Na2SO4 Sample 0.3512 g   C. Total Vol. of Precipitant (BaCl2) used WITH 1M BaCl2…

A: Given that the weight of Na2SO4 sample is 0.3512 g.

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: It was found that 24.7 mL of 0.184 N HI solution was required to neutralize 20.0 mL of a Ba(OH)2…

A:

Q: A sample of hydrated copper (II) sulphate weighs 124.8 g. The sample has been determined to  contain…

A: In order to find the molecules of water and the molecular formula we first write down the given…

Q: ML b. Describe how you would prepare 1 L of a 50 mM solution of acetic acid. The gram formula weight…

A: There are different ways in which we can express  the concentration of the species

Q: An aqueous potassium iodate (KIO,) solution is made by dissolving 525 grams of KIO, in sufficient…

A:

Q: "Concentrated" sulfuric acid solution is 95% sulfuric acid by mass (and the remainder water) and has…

A: