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

Q: A sample of an unknown hydrated compound weighed 16.450 grams. After heating, it had a mass of…

A: We have to calculate the percentage of water by mass in the unknown hydrated compound that weighed…

Q: . A chemist has gathered physical properties data on two unknown lab samples (Table 1). Based on…

A: As the sample B have high melting and boiling point and have high solubility in water means this is…

Q: 1. Density of solids by volume displacement| Solid Copper Сopper Glass Iron Aluminum Form Wire…

A:

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: Explain what is meant by the salinity of water?

A: Salinity: It is term used to define saltiness of solution. A solution is said to be saline if it…

Q: An alcoholic drink contains 36% alcohol by volume. Calculate the volume in ml of alcohol present in…

A: Given :         Volumn % = 36 %         Total Volume = 1000 we have to find the Volume in ml of…

Q: density of irregular solid mass of irregular solid 9.039 g initial volume 68 mL final volume 74…

A: Given , Mass of irregular solid = 9.039 g Initial volume = 68 mL Final volume = 74 mL Total volume…

Q: how would you seperate a homogeneous solution of table salt and water into its components?

A: Evaporation: It is the process, which involves transformation of liquid water to water vapour.

Q: What is the state of matter that can pour and takes the shape of its container?

A: Based on the most easily observable characteristic, solid has a definite shape and having a definite…

Q: While creating a piece of art work, a student becomes curious about the ink he is using to create…

A: The ink is a homogenous mixture, as it appears to be uniform throughout.

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. Describe the arrangement and movement of particles in each of the three states of matter. Use…

A: Given :  a. Describe the arrangement and movement of particles in each of the three states of…

Q: Write a descriptive information about Filtration and Evaporation.

A: Filtration and evaporation  are separation methods. These separation methods are used to separate…

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

A: The volume of liquids will increase with increase in temperature.

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

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

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Q: The law of volumes (using a balloon and boiled water) experiment

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Q: Name and define the common states of matter

A: Matter: Any substance in universe that has mass and occupies some space is termed as matter.

Q: Why do you think it is best to use a capped vial when you determine the density of your unknown…

A: The density of any liquid is calculated by the formula, Where, m is the mass of liquid. V is the…

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: 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: e weight/volume percent conc

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Q: On the molecular level, what does it mean for a solid sample to be pure?

A: Applying concept of pure solid / substance via molecular basis explanation.

Q: A process that may be applied to a mixture of two substances which sublime closely together *

A: Given statement is : A process that may be applied to a mixture of two substances which sublime…

Q: What information is important to those who will be analyzing the samples?

A: Various types of analysis of compounds are performed in chemistry. These analysis helps in finding…

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: 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: initial mass of unknown solid 24.193 g volume of solid length of solid 1.8 cm width of solid 1.4…

A: Volume and density of the solid determined in cm3 and g/cm3 unit respectively.

Q: How did the number of phases of the components help you classify the mixtures OF water,pepper,flour…

A: Phases- A phase is defined by as any homogeneous and physically distinct part of a system which is…

Q: e percentage of Mg in the sample

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Q: An alcoholic drink contains 44% alcohol by volume. Calculate the volume in ml of alcohol present in…

A: Volume by volume percent (V/V %): It is calculated as the volume of solute divided by the volume of…

Q: A microorganism contains 0.0000046 g of vanadium. Express this amount in scientific notation.

A: Introduction- Scientific notation is the way of representing large decimal numbers in a smaller way.…

Q: Why does the temperature on the thermometer decrease after collecting the first fraction before…

A: collecting the cycling gloves inflection adjust the so that the rate of distillation is about One…

Q: Describe how volumetric analysis methods are used in quantitative methods. Please provide at least…

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Q: Some farmers use ammonia, NH3 as a fertilizer. This ammonia is stored in liquid form. Use the…

A: As a fertiliser, some farmers utilise ammonia(NH3).  This ammonia is kept in a liquid form.

Q: With the aid of a diagram (hand-drawn), describe the process of filtration?

A: Defination: Filtration is defined as the process of separation from a solid or liquid mixer.

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: Would ice (density = 0.934 g/mL) float in ethyl alcohol (density = 0.789 g/mL)? Explain.

A: Here density of ice and density of alcohol both are given, we have to determine if ice would float…

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

A: Density is obtained by dividing the mass to the volume. Density of gases is lower than that of the…

Q: What separation method could you use to separate water from alcohol? *

A: Separation methods are those  techniques by which different compounds in a mixture are separated…

Q: A 24.5g sample of solution has a density of .768 g/mL. What is the sample volume in mL?

A: Density :- Density of a substance is its amount           of mass per unit volume . So , density…

Q: a) Define melting point. b) Is melting point a physical or chemical property of matter?

A:

Q: Why is water used to caliberate a thermometer  why is the temperature of an ice bath and a boiling…

A: To assign a value to a particular temperature, thermometers are calibrated.  Hence, we need to take…

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

A: The ratio of mass to the volume of solution is known as density.

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

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Q: These quantity-dependent properties such as boiling point and freezing point are collectively called

A: The objective of the question is to tick the correct answer to the given alternatives.

Q: What volume of water w

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Q: What are the possible errors in using gravimetric method to determine the mass of total solids in…

A: Solution: In gravimetric analysis method there are two major errors viz personal errors and methodic…

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.