8. How many grams of sodium hydroxide are needed to completely neutralize 25.0g of sulfuric acid to form sodium sulfate and water? _NaOH + _HSO: - _Na:SO4 + _H:O 9. Photosynthesis is a complex process in plant cells. Through the many reactions, carbon dioxide and water combine to form glucose (C.H1206) and oxygen. If the plant needs to make 30.0g of glucose, how much water is needed? CO2 + _H2O - _ CH12O6 + _O2

Q: Determine the number of moles in 345.0 g of CI? 20.5mol Cd = atoms Cd

A: The given data contains, mass of chromium = 345 g.

Q: 3. From the following data, compute the percent recovery of copper. If the masses given are correct…

A: It is defined as the percentage of the amount of substance that has been obtained after a certain…

Q: 2. Discussion Questions: a. How would you measure the mass of a solid if it existed as a powder or…

A: In the realm of accurate measurements, the use of weighing boats and precise balances stands as a…

Q: How many g of Aluminum are needed to react completely with 16.41 gram of Mn3O4, according to the…

A: The molar mass of Mn = 54.938g/mol The molar mass of O = 15.999 g/mol The molar mass of Al = 26.981…

Q: A reaction is carried out in the laboratory and the percent yield is calculated to be 67.0%. The…

A:

Q: 2. An insoluble, nonreactive solid metal sphere weighing 21.52 g is added to 28.7 mL of water n a…

A: Answer:- This question is answered by using the simple concept of calculation of density using the…

Q: Prepare a table in which the rows are: length, area, volume, mass, and time. Make two columns, one…

A:

Q: A chemist adds 0.60 L of a 1.2 mol/L sodium carbonate (Na, CO,) solution to a reaction flask.…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: How many kcal/mol are in 206.16 kJ/mol? Do not put units in your answer. Do use proper significant…

A: Kcal/mol to KJ/ mol  1kcal/mol= 4.184 kilojoules   In SI units one kilocalorie per mole is…

Q: a) Convert 3.00 x 1021 atoms of copper to moles. Enter your answer using correct significant figures…

A:

Q: Chemistry is the study of _______ and the changes it undergoes.     mixtures     matter     pure…

A: Correct answer : Matter.

Q: Chemistry Ash was estimated in the sample of hay, and the records were as follows, note that the…

A: Given that,                    Percent of moisture =18℅ Weight of crucible = 14 g Weight of…

Q: How many grams of copper (Cu) are needed to form 13.1 grams of Cu2SCu2S? Use the following balanced…

A: The number of moles of Cu2S is determined as follows. nCu2S=mCu2SMMCu2S=13.1 g159.16 g/mol=0.0823…

Q: Data Sheet Table 1. The Reaction of Magnesium Ribbon. Trial 2 Measurement Trial 1 VIDEO 2 Mass of…

A: Balanced chemical reaction:- In this, the number of the individual atoms are equal on both sides of…

Q: Identify the most appropriate method to measure the mass of a sample of white powder. Select the…

A: Answer:Tare the balance means resetting it to zero. It is like a mass correction before any weighing…

Q: how many joules are there in 71.8 kcal (1 cal 4.184 j) remember to use the significant figure rule…

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: A student used weighing by difference and recorded the following results. Mass of boat/g Mass of…

A: Mass of boat = 0.1248 gMass of boat and solid = 0.2643 gMass of empty boat = 0.1261 g

Q: An empty beaker is placed on a balance, and its mass is recorded at 42.513 g. The beaker is removed…

A: In this question, we want to determine the mass of the sodium chloride solution ( NaCl )  You can…

Q: Mass of the crucible and cover Mass 34.7816 134.76516 34.7658. After 1ª heating After 2nd heating…

A: A numerical problem based on heating experiment, which is to be accomplished.

Q: A student performing the reactions with copper experiment starts with 0.444 g of copper. After all…

A: The percent recovery is the amount of substance i.e. product from the initial substance reactant.…

Q: Since the pandemic has hit, more people are growing their own gardens and processing the fruits of…

A: Each quart jar requires = 6.05g alum So, 50 quart jars would require = 6.05*50 g = 302.5g alum %…

Q: An allergen preparation requires adding 0.1 cL of an allergen solution to 2.5 mL of normal saline.…

A: Volume of allergen solution (V1) = 0.1 cLVolume of normal saline solution (V2) = 2.5 ml

Q: Check your mass calculation. Check your moles calculation. Check your AHneutralization Calculation.…

A: Given, Concentration of HBr(hydrobromic acid ) = 2.01 M Concentration of potassium hydroxide (KOH) =…

Q: Number 7

A: The unit conversion of has to be found.Given,Weight of truck is 1.45×103 pound

Q: Assume that the mass of impure acetanilide is 2.229 g. And the mass of recrystallized acetanilide is…

A: Mass  of recrystallized acetanilide is = 1.225 g Mass of of impure acetanilide is  = 2.229 g…

Q: Suppose you need a tank of oxygen that is 95% pure. Describe a process by which you could obtain…

A: Liquid nitrogen and oxygen are completely miscible, so the free energy of the mixture is everywhere…

Q: minute 2 Hydrated copper(i) sulphate crystals were heated

A: Answers to all the parts of question 2 given in the following step

Q: Enter your answer in the provided box. Consider the combustion of carbon monoxide (CO) in oxygen…

A: Given: 2CO(g) + O2(g) -----> 2CO2(g)

Q: e mass o

A:

Q: Given the following values, determine the percentage of copper recovered. Show all work. Mass of…

A: Mass of first weighing bottle = 0.214 gMass of first weighing bottle + copper wire = 0.501 gMass of…

Q: Suppose you are measuring the mass of a solid sample on a balance using a weigh boat. You record the…

A: An instrument used to determine the weight of samples used in analysis is called a weigh balance.…

Q: Why some chlorophyll of some leaves has different values or amount? Explain the content of…

A:

Q: Calculate the amount of grams of glucose in 3.8 moles. Show work using dimensional analysis. Report…

A: Given amount of glucose is 3.8 moles. We have to find this amount of glucose in grams. Molar mass of…

Q: What is the theoretical yield of water ? grams What is the percent yield of water ? %

A: 2HCl (aq) +1/2 O2(g) ----------> H2O (l) + Cl2…

Q: Once you have completed your chemistry experiments, either by producing products or leaving reagents…

A: The answer for this problem is provided below in great details within the attached figure.

Q: A student places 3.157 grams of copper wire along with excess sulfur into a crucible (and cover),…

A: When Cu (copper) reacts with excess S (sulfur), Cu2S is formed as the product. The corresponding…

Q: Keeping track of units during conversions can get confusing. Therefore, a good strategy is to use…

A: We will use conversion factor to convert each term in question.

Q: Include a CLAIM: answer the question. For example, this answer is not correct. Include EVIDENCE:…

A: Given that -  Following balanced chemical equation is given -    Also the number of moles of…

Q: The market supply of lettuce in a small town is shown in the table below. Supply of Lettuce Price…

A: Step 1: Step 2: Step 3: Step 4:

Q: Ca An important reaction that takes place in a blast furnace during the production of iron is the…

A:

Q: Mass of potassium nitrate mass of test tube and potassium nitrate mass of test tube mass of…

A:

Q: tackle

A: On using NaOH(sodium hydroxide) as precipitating agent for Al+3 initially Al(OH)3 is formed which…

Q: In an oxidation-reduction reaction, a piece of copper wire was put into silver nitrate solution.…

A: In a chemical reaction, two or more reactant molecules may combine or decomposes to form the new…