Why do you think it is best to use a capped vial when you determine the density of your unknown liquid?

Q: How are you able to experimentally determine the volume of a solid

A: Volume of solid can be determined experimentally. Lets take one glass of water. Here, Put a solid…

Q: What is the most accurate way to measure 50 mL of a liquid?  Make sure to mention the process and…

A: Liquid can be measured by the various equipments. Depending upon the amount of liquid , the…

Q: You were asked to separate sand and sodium chloride in water. choose three methods to separate the…

A: Physical separation (picking out pieces or utilizing density to shake sand to the top), dissolving…

Q: What is a solid dispersed in either a solid or liquid?

A: Solid dispersed in either a solid or liquid is called:

Q: How many grams of potassium bromide wo

A: 20%KBr solution contains 20% KBr and 80% slovent. Hence on heating upto dryness all solvent Evoprate…

Q: HI, I need help to answer this question for chemistry lab.   For a liquid to be used in the…

A: Density is defined as the mass per unit volume. It is express in g/mL. The compound having low…

Q: In an experiment done, a sample of water was found to contain 400 g of calcium per m³ of sample.…

A: Ppm or ppb are concentration terms Here we are required to express the mass of calcium in (a) Parts…

Q: A sample of a mixture of oxalic acid, H2C2O4, and sodium chloride, NaCl, has a mass of 4.554 g. If a…

A:

Q: What is the mass of water lost by a hydrate given the following data? mass of a beaker = 27.697 g…

A: hydrated salt are those salt which have affinity toward water and have certain number of water of…

Q: A medical laboratory test is run using a 4.8 UL blood sample. What is this volume in milliliters ?…

A: Since 1 μL = 10-3 mL Hence the volume in μL X 10-3 = volume in mL

Q: What does simple distillation data from the same mixture would look like?   2. Why does the…

A: As you not specify so I am giving answer of second question collecting the cyclohexene fraction…

Q: what as the weight percent of water in the hydrate before heating? Put answer in one decimal place.…

A: Mass percent or weight percent is defined as the total mass of the substance divided by total mass…

Q: Calculate the volume of liquid in the round flask sketched below. Give your answer in milliliters,…

A:

Q: How much time (in minutes) is required to depos

A:

Q: A hydrate initially weighs 5.672 grams and is heated.  After heating, it weighs 4.483 grams.…

A: Given ,Initial hydrate weighs = 5.672 gAfter heating weighs = 4.483 gSo,mass in water form = Initial…

Q: What is the mass of oxygen in 1 g of glutamine

A: Structure of glutamine is shown in image. It is a basic amino acid.  It's molecular weight is 146.14…

Q: Please help with question seven show how to do it on the bored need to find mass and grams in each…

A: To solve this problem we will use the following relations  6.022 × 1023 atoms of N = 1.0 mol of N…

Q: Why are intensive properties useful for identifying a substance?

A: Intensive properties and extensive properties are classified as the types of physical properties of…

Q: Which flask is the best choice for precisely containing 10 mL of a certain liquid?

A: Graduated cylinders are the best choice for containing certain volume of a liquid . Graduated…

Q: A glucose solution is frequently used as an intravenous (IV) solution to supply hydration and/or…

A: Solution

Q: What was the weight percent of water in the hydrate before heating?  Put answer in one decimal…

A: Weight percent of water in the hydrate before heating can be calculated using the given equation.

Q: When determining the density of a pure liquid or a solution, the temperature of the sample must be…

A: Density of a substance is the ratio of its mass and volume. It is a measure of mass per unit volume.…

Q: percent mass

A:

Q: how many mg does a 433 kg sample contain? Please answer in unit converstion form.

A: As we know, 1kg = 106 mg

Q: How many grams are in 491 mg ? Express your answer numerically in grams. • View Available Hint(s) ?…

A: The unit conversions are performed using equality factor. Here, mg (milli gram) has to be converted…

Q: e the mass

A:

Q: The relative error calculated for the analysis of Zn alloy was -4.1%. Assuming that the sample is…

A: The relative error is the ratio of absolute error to the measurement being taken multiplied by 100.…

Q: if you have 23.2 grams of gold what is the volume of the sample

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

Q: what solvent would you use to determine the density of zinc chloride

A: Zinc chloride is soluble in polar solvents like water. Hence, a non-polar and no reactive solvent is…

Q: A 120.0 gram S contains how

A: The molecular formula of potassium nitrate is KNO 3 This formula shows that there are : 1 mole of…

Q: For the post-lab: Calculate the loss of mass for each sample. The total mass lost between the first…

A:

Q: Air is a mixture of many gases, primarily nitrogen, oxygen, and argon. Could distillation be used to…

A: Air is a mixture of many gases, primarily nitrogen, oxygen, and argon. Could distillation be used to…

Q: How can mass and volume data for an unknown sample be used to identify the unknown?

A: Mass gives the quantitative aspect of the substance i.e., how much amount of the matter is contained…

Q: Please help me answer thia question, thank you! A chemist dissolved 7 grams of a substance in…

A: The given data contains, mass of solute = 7 g. mass of solution = 15 g. density of solution = 1.50…

Q: What were the experimental errors that could have led to your percent error? Be specific.

A: Beer’s Law is only true for dilute solutions the exact range of solutions must be determined…

Q: Please help with question eight show how to do it on the bored need to find mass and grams in each…

A: The 1 mole of calcium has molar mass  40 g. Given is 2.01 x 1024 atoms of Calcuim are present. From…

Q: Examine the current state of research on the safety of products contain- ing nanoparticles.

A: Nanoparticles are now being used in the manufacture of scratchproof eyeglasses, crack- resistant…

Q: Calculate the total percent recovery for this separation using the following formula: total mass of…

A: The formula required to calculate total percent recovery is as follows, Total percent recovery=Total…

Q: A hospital technician prepares a parenteral nutrition product that measures 3,125 mL. According to…

A: Given that , Correct volume = 3 liters = 3000 ml Measured volume = 3125 ml

Q: How many moles would be in 75.45 g NaCl?  (no units/labels and the number should NOT be written in…

A: Given  mass of NaCl  = 75.45 gram  Molar mass of NaCl  = (23 + 35.5)gram/mole…

Q: What is his percent error?

A:

Q: Determine the formula weight of KBr. Provide an answer to two decimal places.

A: Formula weight of a molecules is determine by sum of masses of all its atoms.

Q: :How to read the volume of liquid

A: Place the graduated cylinder on a flat surface and view the height of the liquid in the cylinder…

Q: A student heated a hydrated salt sample with an initial mass of 5.322 g. The sample was heated to…

A: Given : Initial mass of hydrated salt = 5.322 g And mass of salt after reheating = 2.798 g

Q: Chaules'Law

A:

Q: Write the names of these laboratory equipment (A,B and C) in the below image.

A: We have to give name of equipment of laboratory

Q: The following picture represents..

A: Elements When substance is made of only one kind of atoms and cannot be broken into simpler type of…

Q: What volume of water w

A:

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.