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Q: A chemist adds 260.0 mL of a 2.9M zinc nitrate (Zn(NO,). solution to a reaction flask. Calculate the…

A: Given, molarity of zinc nitrate Zn(NO3)2 solution =2.9 Mvolume of solution =260.0 mL =0.26 Lwe are…

Q: 52.1429 Mass of evaporating dish 9.97mL Volume of KCI solution (use about 6 mL but record actual…

A: It is given : mass of evaporating dish = 52.142 gVolume of KCl solution = 9.97 mLMass of evaporating…

Q: 8 KCIO3 + C12H22O11 → 8 KCI + 11 H2O + 12 CO2

A: We have to tell about reactants in this question .

Q: Give a specific example from this experiment of an error that would lead to a percent yield less…

A: A percentage yield less than 100% means that the actual or experimental yield is less than the…

Q: According to the following reaction, how many moles of nitrogen monoxide will be formed upon the…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: 1. The following represent a portion of the smallest scale of a centigram balance. For an accurate…

A: A centigram balance has a sensitivity of two decimal places. Thus, options a and c are ruled out.

Q: CCC Energy and Matter The charcoal that was burned in a grill left only a fine, light ash. The ash…

A: Charcoal burns and leaves light ash whose weight is less than charcoal. The reason for it is given…

Q: Consider solutions of Cr(NO3)3-9H2O in water. The solubility of Cr(NO3)3-9H₂O in water at 15 °C is…

A: Given that the solubility of Cr(NO3)3.9H2O in water is 208 g per 100 g of water at 15oC. Saturated…

Q: Before heating 4 qt. saucepan 8 qt. stockpot 24.5 °C Temp. 24.5 °C Temp. After heating for 5 minutes…

A: Water has specific heat constant of 4.184 J per g per oC which means that 4.184 J of energy is…

Q: How should you determine the mass of magnesium in your crucible? 1. Zero the scale 2. Put your…

A: The question is based on the concept of analytical chemistry. we need to identify the correct…

Q: Calculate the molarity of the following solution: 0.50 moles of CaCl, in 3500 mL of solution. (SHOW…

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L

Q: 18. A 250.0 kg sample of ore contains 5.91 micrograms of gold. What is the concentration of gold in…

A: The correct option is D

Q: Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14% KCI by…

A: Explanation Mass percent There are different ways of expressing the concentration of a solution by…

Q: SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not…

A: To solve this problem we will use the law of dilution .  Here, we will use the formula  M1V1 = M2V2…

Q: A hospital saline solution is analyzed to confirm its concentration. A 50.0 mL sample with a mass of…

A: Given that: Volume of solution = 50 mL Mass of solution = 50.100 g Mass of sodium chloride = 0.656 g…

Q: Image uploaded solution is not allowed please dear expert bro please

A: Step 1:Let's calculate the mass of the sugar using the information provided in the question.We have…

Q: 4. A certain metal alloy contains silver (density 10.5 g/cm') and gold (density 19.3 g/cm³). A…

A: An alloy is a homogeneous mixture formed by combining two or more metals. The given alloy is a…

Q: I have all the data I just need the Conclusion and the question answers. Data Table 3: Solution…

A: The solubility of NaCl and KNO3 increases with increasing the temperature and NaCl is more soluble…

Q: A chemist adds 0.30 L of a 1.7M nickel(II) chloride (NiCl,) solution to a reaction flask. Calculate…

A: Molar mass of NiCl2: 129.5994 g/mol. Given, Strength of the solution - 1.7 M Volume of the solution…

Q: 3. How would the concentration of the vinegar solution be altered if the volumetric flask used to…

A: The question is based on the concept of titration. we are titrating a weak acid with a strong base.

Q: To make a 0.5L of 2% NaCl, weigh _____ grams of NaCl, place in a graduated cylinder, and add water…

A:

Q: 4. A solution is prepared by dissolving 171 g of CdCl2 in enough water to make exactly 250.0 mL of…

A: Given, Mass of CdCl2= 171g Density of solution=1.556 g/mL Volume=250mL Weight % of solute=Mass of…

Q: Best Value for % Purity How did you arrive at the best value?

A: The best value is calculated from the average of the good data values.

Q: 8 A chemist prepares a solution of sodium nitrate (NaNO3) by measuring out 41.7 μmol of sodium…

A:

Q: 5. Using their densities, determine the concentrations of the following pure liquids. Hints: Find…

A: Given water =1.00 g/mL as the density of water acetic acid, density 1.049 g/cm

Q: In the laboratory you are asked to make a 0.375 m silver nitrate solution using 17.8 grams of silver…

A:

Q: Report Pages DATA Trial A Trial B Trial C Mass of test tube and boiling chip LT0T 18.441 18.544 Mass…

A: The given problem is some lab data.According to this data,the problem is solved in the image.

Q: Data Table 3: Solution of 1.00 g NaCl Volume of NaCl Solution (mL) 8.56 mL Mass of evaprating dish…

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

Q: At what stage was the internal standard added to the prepartions, in the protocol of this…

A: Step : 1             The required answer for the above question is follows as :

Q: Data Sheet II. Delivering Solution from the Buret (1) final buret reading, mL (2) initial buret…

A: Given data is:

Q: Experiment 1 Data Table 2: Experimental Results HCI available for neutralization (g): Moles of NaOH…

A:

Q: Image uploaded solution is not allowed please dear expert

A: 2.) first reaction is C3H8(g) + O2(g) -> CO2(g) + H2O(l)To balance C on both sides multiply…

Q: Show all work with units for each calculation below.  Each answer must contain the correct units and…

A: The number of moles of concentrated solution and the number of moles of diluted solution remain the…

Q: PERCENT WATER IN A HYDRATE DATA/CALCULATION SHEET NAME 1. crucible, cover, BaCl2 2H2O \8,ao6!…

A: Mass of crucible and cover 14.0188 g Mass of crucible, cover and BaCl2.2H2O 18.2061 g Mass of…

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: PERCENT WATER IN A HYDRATE DATA/CALCULATION SHEET NAME 1.. crucible, cover, BaCl2 2H2O _\8, a0G! g…

A:

Q: Question 3 Review the following statements regarding the top-loading balance and select all…

A: Following are the true statements for top-loading balance .

Q: Calculations/Results: *Show all work with units for each calculation below.  Each answer must…

A: Given : Molarity of Solution = 0.1 M              Volume of solution = 100 mL To find : mole of…

Q: 2. In your experiment today will the percent yeild of calcium carbonate be higher, lower, or…

A: The question is based on the concept of experimental Chemistry. we have to explain the effect of…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.