Lab questions, Chemistry

Assignment Help:
1. List possible manipulation errors that might contribute to the following errors in results:
1) obtaining a significantly larger amount of NaCl than was present in the original sample:


2) obtaining a significantly smaller amount of SiO2 than was present in the original sample.

2. Use the information in the table to answer the following questions.

-----------soluble in:------------------
----- cold water--hotwater--3MHCl--3MNaOh
benzoic acid --no----yes-------no-----yes--
Mg(OH)2 -----no-----no------yes-----no---
Na2SO4 -----yes----yes-------yes----yes--
Zn(OH)2 -----no-----no--------yes----yes--

Related Discussions:- Lab questions

Show the properties of lithium aluminium hydride, Q. Show the properties of...

Q. Show the properties of Lithium Aluminium Hydride? Lithium aluminium hydride is much more useful than aluminium hydride. It is prepared in the laboratory by the action of LiH

atomic weight, what is the atomic weight of oxyge

what is the atomic weight of oxygen

Azeotropic distillation - purification of organic compounds, Azeotropic Dis...

Azeotropic Distillation - Purification of organic compounds Azeotropic mixture is a mixture comprising constant boiling point. The most well known instance is a mixture of

Ion exchange process of softening hard water, Q. Describe the ion exchange ...

Q. Describe the ion exchange process of softening hard water. What are its advantages?   Ans. Determination of ion exchange or Deionization process:  In this pro

What is the molar mass of solute in the solution of any mass, What is the m...

What is the molar mass of solute in the solution of any mass? Ans) Molar Mass is defined and set as a absolute mass for every solute, solvent or sol. et.c It is a particular

Cell, what is cell?

what is cell?

Benzoyl peroxide dissociation, Given below  the values below for the activa...

Given below  the values below for the activation energies of benzoyl peroxide dissociation, styrene propagation, and styrene termination, and suppose all other parameters remain co

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd