In lab, you will be given a stock solution that has a glucose concentration of 60 mg/dL. You need to make 1 mL of each of the following glucose concentrations: 0.94 mg/dL, 1.88 mg/dL, 3.75 mg/dL, 7.5 mg/dL, 15 mg/dL, and 30 mg/dL. Distilled water will be the solvent in these dilutions. Enter your numbers only

Q: The Environmental Protection Agency limit for lead in drinking water is 15 ppb. A 5.090 kg solution…

A: Consider the given information is as follows; Mass of solution = 5.090 kg = 5.090×1000=5090 g Mass…

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: Graphically find the concentration in ppm and then calculate in mol/L of Soda #1 and Soda #2?

A: Caffeine Std (ppm) Absorbance (270 nm) 1 0.179 2 0.39 3 0.673 4 0.787     Soda #1 0.233…

Q: A solution contains 4.1 x 10-4 g of Cl-1 per kilogram of solution.  What is this in ppm?

A:

Q: STARTING AMOUNT X What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 105 M solution? ADD…

A: Given:Volume = 120.0 mL = 0.120 LConcentration = 2.40 × 10-5 M (mol/L)Molar mass of NaCN = 49.01…

Q: A chemist prepares a solution of sodium chloride (NaCl) by measuring out 0.43 g of sodium chloride…

A:

Q: In the lab, 5.21 mL of a 11.6 M HCIO, (100.5 g/mol) solution is diluted to 625 mL. What is the…

A: Given data HClO4= 11.6 M or 5.21 ml diluted by 625 ml

Q: Figure 1 represents a 1.0 L solution of sugar dissolved in water. The dots in the magnification…

A: Given,The volume of a initial solution = 1.0 LThe final volume after adding 1.0 L of water is = 2.0…

Q: 2. If a 50 mL solution of 2 mg/mL glucose has 20 mL of water added to it, have these changed? Please…

A:

Q: O Macmillan Learning Calculate the molarity of the two solutions. The first solution contains 0.650…

A:

Q: In the dilution of Solution B, if the original stock solution has a concentration of 0.8 M, what is…

A: Given: Concentration of stock solution = 0.8 M Volume of stock solution = 10 mL Water added = 6 mL

Q: You need to prepare 363 mL of a 8.00 × 10-2 M CaNO3 solution from a 12.00 M stock solution. How much…

A: The given problem can be solved by using the formula given below as; M1 V1 = M2 V2…

Q: What mass of sodium chloride is found in 0.2 L of a 1.45 M aqueous sodium chloride solution?  The…

A: Given that -  Volume of sodium chloride solution = 0.2 L  We know that 1 L = 1000 mL , then -  =>…

Q: must be prepared. However, you only have adrenaline tartrate (Mw 333.3 g/mol) available. How %3D…

A: 1 mol adrenaline tartrate contains 1 mol of adrenaline. Now, Concentration of adrenaline solution =…

Q: A. Dilution of Stock Solution Concentration of STOCK solution you prepared (M) 0.8 Volume of STOCK…

A: Introduction: This can be calculated from the equivalence formula, V1S1 = V2S2 (V and S are the…

Q: How many milliliters of a solution t

A:

Q: Use the lab introduction to answer the following question. When answering this problem, report the…

A: Volume of beverage powder sample mixture = 3.78 L Volume of sample taken for dilution (V1) = 10 mL…

Q: How many grams of a solution that is 5.2 % sucrose by mass are needed to obtain 18 g of sucrose

A: Mass by volume percentage is the mass of solute particles dissolved per unit of solvent.

Q: A chemist prepares a solution of iron(II) bromide (FeBr₂) by measuring out 80. g of iron (II)…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: 4. You need to make 1 liter of a 5 M solution of sodium chloride (NaCl). The molecular weight of…

A:

Q: What is the mass of 1 mL of pure water? How could this information be used to check the accuracy of…

A: Density of a substance is defined as its mass per unit volume.

Q: - * First, a stock solution of 10 mM fluorescein must be made in 15 mL of water. Calculate the mass…

A: Concentration of stock solution = 10 mMVolume of fluorescein solution = 15 ml = 0.015 LMoles of…

Q: You have 5.5 grams of a substance with a molar mass of 26.98 g/mol.  You dissolve this substance in…

A:

Q: Question 10 For an experiment, you need 1 L of a 75 mg/L solution of potassium phosphate (K3PO4).…

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: drogen peroxide (H₂O₂) is used in commercial tooth whitening products where the H₂O₂ concentration…

A: Mass percentage = 10% Density = 1.45 g/mL Molar mass of hydrogen peroxide = 34.0147 g/mol

Q: A student wants 35.0 mL of a 2.19% sugar water solution. They only have a 17.0% stock solution. How…

A: Let 'y' milliliters of the 17.0% stock solution is used to make the 2.19% sugar water solution. 17%…

Q: calculate the final volume of the solution in mL.

A:

Q: A)  Calculate the molarity 12.21 mg KI in 107.6 mL of solution         Express your answer using…

A: Molarity of a solution is defined as the number of moles of solute to the total volume of solution.

Q: Using this percent change data, determine the concentration of sucrose that would be isotonic.  it…

A: A question based on isotonic concentration, which is to be accomplished.

Q: When patients are given an injection of a drug, it gets diluted in the blood stream. For pain…

A:

Q: What is the mass in grams of KBr in 0.400 L of a 0.350 M solution?

A:

Q: How many grams of sucralose (molar mass=397.6 g/mol) are needed to make 635.0 mL of a 0.132 M…

A:

Q: What is the molarity of a solution that contains 126 g NaCl (molar mass = 58.44 g/mol) in 0.2 L…

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

Q: A patient order requires 1.8 L of a 0.4 % benzalkonium chloride antiseptic. You have a 18 % stock…

A: The expression of dilution law is shown below: where; M1 = molarity of known solution V1 = volume…

Q: In the lab, you wish to obtain 500. mL of 0.15 M NaOH. If you have a stock of 1.76 M NaOH, how many…

A: Given:Molarity (M1) of the NaOH stock solution = 1.76 MMolarity (M2) of the NaOH final solution =…

Q: 1. A 15.00 g of NaCI is dissolved in 5.00 L of water. Find the molarity of the solution? Show your…

A:

Q: While working in a pharmaceutical laboratory, you need to prepare 0.250 L of a 1.60-M NaCl solution.…

A: The objective of this question is to determine the mass of NaCl required to prepare a 0.250 L of a…

Q: substance has a solubility of 12.5 g per 100 mL of solvent at 100 degrees celsius and 2.45 g per 100…

A: Given : solubility of substance at 100 °C = 12.5 g/100 ml  Solubility of substance at 10°C = 2.45…

Q: You need to make 1 liter of a 5 M solution of NaCl. The molecular weight of NaCl is 58.44 g/mol. How…

A:

Q: Blue dye can be decolorized by treatment with bleach. The kinetics of the reaction can be studied by…

A: Since first two questions are related to each other and the third one is different. Hence, we solve…

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: The slopes of the lines in graph 1 can be interpreted as a useful quantity around the lab if you…

A:

Q: i need solution please help me my question answer.

A: The objective of this question is to calculate the molar concentration of glucose in a solution…

Q: A solution is prepared by dissolving 23.4 g of CaCl2 (MW = 110.98 g/mol) in 355 mL of water. The…

A: The molarity of a solution is calculated as shown below: Molarity=Number of moles of soluteVolume of…

Q: How would I find the last column of the table?

A: Following table given, in which last column is vacant -

Q: What volume in L of a 0.32 M Mg(NO₂), solution contains 45 g of Mg(NO₂)₂ ?

A:

Q: You want to compare a patient's measured calcium ion concentration to the normal calcium ion…

A: Given that calcium ion concentration in blood serum ranges between 4.5-5.5 mEq/L Blood results show…