Q: 45. The process of removing an appropriate number of items from a population in order to make…
A: Any drug requires a variety of quality analysis to be performed prior to its final production.
Q: If the 10-min average concentration is 10 µg/m°, according to the power law relationship, the 1-hr…
A:
Q: While assembling the equipment and raegents for this investigation, suppose you spilled 500 mL of 1M…
A: IF you spill 500mL of 1 M HCl. on your jeans you should do the following things.
Q: On a lab quiz, a student listed the steps to properly use a pipet. Which step is incorrect? O Pull…
A: Answer - The correct option is (b) Use the rubber bulb to blow any remaining liquid from the pipet…
Q: 2 8 Determine the Gas Densities of the following. Please show the step by step solution or it will…
A:
Q: a. A container of nonstick cooking spray explodes when thrown into a fire. b. The air in a hot-air…
A: The kinetic theory of gases is a basic, culturally interesting model of the thermodynamic behavior…
Q: 16. What is the law of conservation of mass?
A: The law of conservation of mass states that :"The mass in an isolated system can neither be created…
Q: Concentration units
A: Please find your solution below : Concentration of a solution is defined as the amount of solute…
Q: Does water density appear to be more sensitive to a change in temperature at point A or point B?
A:
Q: A. Determine the concentration of the glucose stock solution in mg/mL. B. Complete the table above…
A: For preparation of stock solution, 500 mg of glucose was taken to form 25 mL of the solution.
Q: a solution contains 10mL of ethanol and 40 mL of water the density of ethanol is 0.789 g/mL the…
A: Answer: Molarity of ethanol is 3.43 M
Q: Predict the Normality of H;SO4 if 75 ml of 96.6 % pure H2SO4 added to 425 ml water. The density of…
A: Given, Volume of H2SO4 = 75 mL Purity of H2SO4 = 96.6 % Volume of the water = 425 mL Density of…
Q: D3 remain in solution at 20 C? rams to three significant figures. swers Request Answer gain; 4…
A: According to the question, we need to calculate mass of NaNO3 at Certain temperature. The…
Q: What is the preferable period of time to soak the apparatus with acid? Some said it is preferably…
A:
Q: DiA lungful exhaled into volume of s tempuratine wwld se n chamher if 450 mmtHtg hen
A:
Q: EN is infusing continuously at 50 ml/hr. A medication is started that requires the EN to be held 1…
A: EN is infusing continuously at 50 ml/hr.
Q: combination
A:
Q: A 30 mL sample of vinegar is titrated with 39 mL of 0.5 N Sodium Hydroxide. What is the normality of…
A: The measure of gram equivalent of a solute in one litre of solution gives the measure of its…
Q: Table 1: Estimation of Dissolved Oxygen: SI No Volume of water Initial sample (ml) burette Final…
A: Dissolved Oxygen is defined as the amount of gaseous Oxygen that is dissolved in the water .…
Q: Part A 2.1 L of a 5.0 M HCl solution is added to water so that the final volume is 5.5L. Express…
A:
Q: Normality
A:
Q: 0.500 L of a 1.50 M NH₂Cl solution using a(n) 10.8 MNH₂Cl solution Express your answer with the…
A:
Q: Total Volume HCl used 80ml Volume NaOH used 70ml Class average HCL b.1045
A: Given: Volume of NaOH used (V1) = 70 ml Volume of HCl used (V2) = 80 ml Concentration of HCl…
Q: Why do solutions need to be standardized? A to know concentration of solution to high precision B to…
A: Practical chemistry:
Q: normality
A:
Q: What is the narrow graduated piece of glass equipment called?
A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…
Q: 35. A doctor’s order 0.159g off an antibiotic. This liquid suspension on hand contains 231mg/4.7mL.…
A: The mass of antibiotic order by the doctor is = 0.159 g The concentration of the liquid suspension…
Q: Concentration of 7.5 mL Dilution (Use M,V1=M2V2 where M1 = 0.024, V1 = 7.5 mL (why?), V2 = 100 mL)…
A: Consider the given information is as follows; M1 = 0.024 ; V1 = 7.5…
Q: alt A solution was prepared by dissolving 1.058 g of NAOH pellets with 100 mL of distilled water and…
A: Here 1.058 gram of NaOH pellets was dissolved in 100 ml distilled water and then transferred to…
Q: IMNACI solution using an available 2.86 M solution? ODilute 23.9 mL of the 2.86 Msolution to a final…
A: solution - from the dilution law; M1×V1 = M2×V2Where ;M1 = initial cincentration = 2.86 mol/LV1 =…
Q: Normality is defined as the number of mole------------per liter of solution.(equivalent, fraction)…
A: Normality is used to express the concentration of a solution Normality is the equivalent weight of a…
Q: Types of volumetric analysis are. O Three. Four. Five.
A:
Q: One of the treatments of water for domestic use is to allow the water into large tanks where a…
A:
Q: Using the average volume of HCl from #2, calculate the average concentration of your unknown acid.…
A: given: Concentration of NaOH, M1 = 0.10 M trial 1 volume of NaOH , v1 = 0.024 L trial 2 volume of…
Q: 6. .... =mole/L. a) Mole fraction b) Molarity c) % Yield d) Normality
A: We are given : UNIT = mol/L We have to find the quantity that have unit of mol/L.
Q: n he Question 5 A graph that displays a straight line when the reciprocal of the concentration is…
A: Question 5 As it is given that the graph of reciprocal of concentration vs time gives a straight…
Q: What is the level of the liquid in the gatuted oede Volume mL. 70 60
A: Everything that has and occupies space is called matter. Solids, liquids, gases are the three states…
Q: 20.0 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Normality of the…
A:
Q: Calculate the normality of o.321g sodium carbonate when it is mixed in a 250 mL solution. (Molar…
A: Given that, 0.321g of sodium carbonate mixed with 250 mL of solution. Molar mass of Na2CO3=106g/mol…
Q: H.W: 1- A solution of KCI (its volume =500 mL) contains 7.45 ppm KCI Calculate Molarity and…
A:
Q: Can you please solve question 11.72 and 11.74 sub problems and show all the step by step to the…
A: Henry’s Law is given by: Where S is the solubility of the gas at a fixed temperature (M), k is the…
Q: Nitrous acid-observation is gas bubbles
A: To determine the Unknown using a) Hinsberg test b) Nitrous acid test c)IR Spectrum Analysis
Q: Which of the next is not a property for a recrystallizing solvent? Select one: O a. Volatile O b.…
A: The criteria used to choose an appropriate recrystallization solvent includes
Q: QUESTION 6 You have an impurity that is SOLUBLE in hot and cold water. A hot filtration is required.…
A: Hot filtration : It is used to separate solid from hot solutions , this is done to prevent…
Q: (Ba(CIO,),)· Calculate the volume in liters of a 0.099 mol/L barium chlorate solution that contains…
A: Given: molarity of the solution, = 0.099 mol/L Mass of barium chlorate, m = 75.0 g We know, Molar…
Q: If a gas is collected over water, the pressure of the gas equals A. Pbarometer B. Pbarometer -…
A: If a gas is collected over water then some water vapours are also present along with gas. The…
Q: Which of these statements about suspensions is NOT true? O Over time, their particles will settle if…
A: Suspension is the mixture which is heterogeneous that contains large solute particles. And these…
Q: SAFETY: When injecting a sample solution it is important to O hold the syringe with two hands; one…
A: Using concept of laboratory safety.
Q: Diffusion of Gases Consider that you carried out the following, where you 1. Place 1.0 mL of dilute…
A: Phenolphthalein is an indicator that is used for the detection of acidic or basic medium. The pH…
Volumetric flask is used in the measurement of volume of liquid for various purposes in laboratories.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- If V = 125ml at 755 mm Hg, find V (ml) at 780 mm Hg (temp, n = count)Please solve the normality of the sample in eq/L and the (DO) content of the sample in mg/L using the following equation.1. Order: isoproterenol 2 mg in 500 mL D5W to infuse at 15 mL/hrPatient weight: 20 kgHow many mcg/kg/min is the patient receiving? (Round to the 2nd decimal place/hundredth place
- When we say that a Class A 25.00 mL pipet has a tolerance of 0.030 mL, what does that mean?a. Convert 52.6 mM (millimolar) to μM (micromolar) and to M (molar). b. Convert 200.0 μM to mM (millimolar) and to M (molar). c. The new U.S. Public Health Service optimal fluoride concentration in water is 0.700 mg/L. Convert this value to M (molar) and to ppm. Upload your responses here.The blood serum acetone for a person is determined to be 18.7 mg of acetone per 100 mL of serum. Express this concentration %v/v if the density for acetone liquid is 0.79 mg/mL.
- Convert 0.73 pound-foot/second square to dyne complete solution using dimensional analysisFor question number 2 does that mean weigh the dish to 0.001g without clearing it ?Briefly explain why the 1-mL pipette has a lower percent tolerance level in the range 300-1000 than when delivering 30 of solution.