8.930 12.2mL Metal C 3 sig fig 3. Calculate the mass in grams of a 525 cm³ block of lead. 1. 525 1.39/cm352sn 575cm3 4. Calculate the volume in cm of a 265 g block of aluminum.

Q: Solid copper(II) chloride forms a hydrate of formula CuCl2 ⋅ xH2O. A student heated a sample of…

A: Here we are required to find the percentage of anhydrous copper chloride

Q: eral contains 5.032 % of a precious metal, by mass. The precious metal as a density of 3.681 g/cm°.…

A: Density = 3.681 g/cm3  Mass % of metal mineral = 5.032%  Density = mass/volume

Q: mass

A:

Q: 6. The density of salt is 2.16 g/cc. If you used 3.00 cc on your food, how much in ug is that?

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: What mass of iron (d = 7.874 g/cm') does a 2.0 in x 1.5 in x 10.0 in sample have?

A: Given  density of Iron = 7.874 gram/ Cm3 Volume = 2.0 inch × 1.5 inch × 10 inch 1 inch   = 2.54 Cm…

Q: To aid in the prevention of tooth decay, it is recommended that drinking water contain 0.800…

A: Concentration of recommended fluoride in drinking water = 0.800ppm Diameter of the tank = 4.00 x 102…

Q: Q6. What is the radius (in cm) of a cylindrical silicon block (density = 2.03 g/cm3) with the height…

A: The radius of cylindrical silicon block can be easily determined by its density and the total mass…

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: (a) Palladium (Pd) is an element with properties similar to those of platinum. It is useful in…

A: Given : Mass of bar = 96.03 g Length of bar = 10.7 cm Diameter of bar = 9.82 mm = 0.982 cm…

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A: Mass percentage of chromium = 18 % Mass percentage of Nickel= 8% Mass percentage of iron = 100 - (18…

Q: You wish to prepare 205 grams of 14.3 % MgSsO4- You will need grams of magnesium sulfate and mL of…

A: Given that, % of MgSO4 = 14.3%  ,  Total mass = 205 gms Also, % of MgSO4 = Mass of MgSO4Total…

Q: You will need grams of sodium chloride and mL of water.

A: Given :- mass of solution = 184 g                % w/w = 3.17 %  To be calculated :- mass of NaCl (…

Q: In a given alloy of Nb-Vd: * in the given 24 wt % Nb - 76 wt % Vd alloy with the density of the pure…

A: Given: Mass of Nb in 100 g alloy = 24 g Mass of Vd in 100 g alloy = 76 g Density of pure Nb = 8.57…

Q: Cocaine (C17H21O4N; Figure 2) is a natural substance found in leaves of the coca plant, which have…

A: Given: The density of the hydrochloride salt of cocaine = 2.50 kg/L The density of pure cocaine =…

Q: A student obtained the data below after performing a similar experiment described in this…

A: Mass of hydrated salt = mass of crucible, cover and hydrate - mass of crucible and cover. So, Mass…

Q: A sample of stainless steel contains 10.5% chromium by mass. What mass of chromium, in grams, is…

A: Given information,             Stainless steel sample contains 10.5% chromium by mass.…

Q: A mixture is made by combining 1.02 lb of salt and 3.76 lb of water. What is the percentage of salt…

A: Percentage of salt (%) by mass is given by percentage by mass = mass of salt x 100/mass of water…

Q: 2. The picture in the introduction shows that the mass of a crucible and lid was determined to be…

A: Given,  The mass of Crucible and lid = 22.1504 g.  The mass of crucible and lid  and hydrate =…

Q: A 0.2121-g sample of pure NazC,O, (134.00 g/mol) was titrated with 43.31 mL of KMNO4. What is the…

A: Given, mass of Na2C2O4 =0.2121 g moles of Na2C2O4 =0.2121 g132 g/mol=1.58 ×10-3 mol Volume of KMnO4=…

Q: How many grams of water must be used to prepare a 2.50 percent by mass (%m/m) sodium hydroxide…

A:

Q: When Kay added 30 g of hydrochloric acid (HCI) to 65 g of Zn, bubbles appeared and a white…

A: We know, when Zn reacts with HCl, it will produce ZnCl2 and H2 following the reaction  Zn + 2HCl…

Q: You weigh a dry flask, and place a chunk of solid into it, then weigh it again. You then fill the…

A: The volume of the flask not occupied by the solid is needed to be find out.

Q: A student obtained the data below after performing a similar experiment described in this…

A:

Q: What volume of concentrated HCl (37.2% HCl m/m) contains 125 g HCl? The density of concentrated HCl…

A: 37.2 g HCl is present in 100 g of solution. Let the mass of solution containing 125 g HCl be x. the…

Q: What is the mass of 4.00 cm^3 of sodium, with a density of 0.97 g/cm^3?

A: MATHEMATICAL TREATMENT OF MEASUREMENT RESULTS Learning Objectives By the end of this section, you…

Q: How many mL of liquid mercury with a density of 13.6g/mL must you dispense to have 1.56 x 10-3 mol

A:

Q: 2. A particular brand of beef jerky contains 0.0552 % sodium nitrite (NaNO2) by mass and is sold in…

A: Given: % NaNO2=0.0552 % 1 bag contains 8 oz sample Mass of sample= 8 x 28.35 g =226.8 g

Q: A 5.70 g mixture contains both lithium fluoride, LiF, and potassium fluoride, KF. If the mixture…

A: First, let's analyze the given data in the question, Mass of mixture = 5.70 g Mass of fluorine in…

Q: You must show calculations in the space pr receive credit. he line to 1. The following data was…

A: Given, Mass of crucible = 24.525g. Mass of crucible and mixture = 26.716g. Mass of crucible and…

Q: 2. Calculate the volume of 435 g block of copper. d=m =V=Mv =H359 8.939lcm3 48.712 3D 5. A…

A: Since we only answer one question, we’ll answer the first one. As you have solved the first question…

Q: 7. What kind of a compound is KN and how do you know this? Draw a representation of three units of…

A:

Q: A standard aspirin tablet contains 325 mg of aspirin, which has the molecular formula C9H8O4. How…

A: The number of moles of a substance is the ratio of its given mass by molar mass of the substance. It…

Q: Commercial ibuprofen tablets contain 200 mg of ibuprofen each. The commercial tablets have the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: The density of aluminum is 2.7 g/cm3; that of silicon is 2.3 g/cm3. Explain why Si has the lower…

A: Silicon, the symbol Si and the atomic number 14, are a chemical element. It is a tough, brittle,…

Q: 8.W 8 What

A: It is C. The reaction rate is halved

Q: Valuable minerals (chemicals) can be obtained from ores, which are natually occuring mixtures. One…

A: Given : Mass percent of magnetite in ore = 38 % Mass percent of iron in magnetite = 72.4 % And mass…

Q: In an experiment involving the extraction of essential oils from a plant, 7.5 mL of benzene (C6H6,…

A:

Q: Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of…

A:

Q: What is the mass of fresh water (ρ= 1.00 g/cm3) in a 78.0 Ltank?

A: Given : density of water = 1.00 g/cm3  Volume of tank = 78.0 L

Q: 2NH3(g) + 3N20(g)4N2(g) + 3H,0(g) Clear All AHxn ASpxn >0 low T, 0 high T

A: Given that the reaction is exothermic. We will predict the given physical quantities as follows.

Q: You wish to prepare 237 grams of 26.7% (w/w) KI. Assume that the density of water is 1.00 g/mL. You…

A: Given: mass of KI = 237g density of water = 1g/ml Weight of water =  density x mass concentration =…

Q: Solid copper(II) chloride forms a hydrate of formula CuCl2 ⋅ xH2O. A student heated a sample of…

A: Here we are required to find the percentage of water.

Q: What is the volume of a piece of diamond (ρ = 3.5 g/cm3) that has a mass of 0.65 kg?

A: Given : density of diamond = ρ = 3.5 g/cm3  And mass of diamond = 0.65 Kg

Q: A student is given a 6.216 g mixture of iron filings, calcium chloride, and sand. He separates the…

A:

Q: t is recommended that drinking water contain 1.6ppm fluoride (F-) for the prevention of tooth decay.…

A: Given: The diameter of the reservoir, (D) = 4.5×102 m The radius of the reservoir, (r) = 2.25×102 m…

Q: You wish to prepare 217 grams of 19.0 % Cr(CH3COO). You will need grams of chromium(II) acetate and…

A: Given, 217 gram of 19% Cr(CH3COO)2 solution.we are asked to calculate the mass of Cr(CH3COO)2 and…

Q: Perform the following mathematical function. 51.11 + (0.97/2.414 × 0.32150 × e.-3.25) + 1.52444 3.4…

A:

Q: d) c, and (e) p? red quantities: (a) 351 g,

A:

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of…

A: The mass of chromium can be calculated as follows

Q: The most common oxide of vanadium, V2O5, is used as a catalyst in manufacturing sulfuric acid H2…

A: