Chemistry, 04.12.2019 22:31 jasonlawrencejr6844

While transferring the weighed salt to the test tube in the experiment, a student accidentally spilled some of their sample. how will this salt loss affect the salt solubilities calculated by the student? will they be too high, too low, or unaffected? explain.

Answers: 2

Show answers

Answers

The spilling of part of the salt by students while measuring the solubility of a salt will make the calculated solubility by the student to be higher than the exact value.

Explanation:

Solubility is the maximum amount in gram or moles of a particular salt that can completely dissolve in a given solvent at a particular temperature. Therefore, in calculation of the solubility is requires three major factors:

1. The amount of salt,

2. The temperature, and

3. The volume of the solvent used.

This experiment and the mistake done by this student only caused an alteration in the amount of salt used while the volume of solvent was held constant. The student would have therefore thought that she/he had added a particular amount of salt; let's say: x moles, which we should assume to be the maximum amount that can be dissolved by the given solvent at that temperature. The spilled salt will generally reduce the moles of the salt that is eventually added by let's say: y moles. Therefore, the actual amount of salt that would have been added will be x - y moles. The solvent will still have room to accommodate more salt since the solubility is constant at this unaltered temperature. The addition of more salt, let"s say: m moles to make up for the loss will make the student record x + m moles of the salt per unit volume of the solvent instead of x - y + m which was eventually added.

Therefore, since the assumed x + m moles will always be higher than the actual x + m - y moles of the salt, the recorded solubility by the student will always be higher than the actual value.

Answer from: Quest

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

Answer from: Quest

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

Another question on Chemistry

Chemistry, 22.06.2019 04:40

Listen base your answer to the question on the information below.propane is a fuel that is sold in rigid, pressurized cylinders. most of the propane in a cylinder is liquid, with gas in the space above the liquid level. when propane is released from the cylinder, the propane leaves the cylinder as a gas. propane gas is used as a fuel by mixing it with oxygen in the air and igniting the mixture, as represented by the balanced equation below.c3h8(g) + 5o2(g) → 3co2(g) + 4h2o() + 2219.2 kja small amount of methanethiol, which has a distinct odor, is added to the propane to consumers detect a propane leak. in methanethiol, the odor is caused by the thiol functional group (–sh). methanethiol, ch3sh, has a structure that is very similar to the structure of methanol.what is the correct structural formula for a molecule of methanethiol

Answers: 3

Answer

Chemistry, 22.06.2019 08:00

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Answers: 1

Answer

Chemistry, 22.06.2019 13:30

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Answers: 1

Answer

Chemistry, 22.06.2019 13:50

Which of these is a physical property

Answers: 1

Answer

You know the right answer?

While transferring the weighed salt to the test tube in the experiment, a student accidentally spill...