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

Atomic structure, what is the mass of a proton and electron

what is the mass of a proton and electron

Iso-electronic species is, Iso-electronic species is: (1) F - ,O -2   ...

Iso-electronic species is: (1) F - ,O -2              (2) F - , O                (3)  F - , O +                           (4) F - , O +2 Ans:  F - ,O- 2

Azo dyes, what is the classification, applications and structures of azo dy...

what is the classification, applications and structures of azo dyes? how can they be removed from textile and other industrial effluents by semi-interpenetrating networks ?

.bohr''s atomic model, what were the drawbacks of bohr''s atomic theory

what were the drawbacks of bohr''s atomic theory

Thermodynamics of reduction process, Q. Thermo d ynamics of Re d uction Pro...

Q. Thermo d ynamics of Re d uction Process? As you have read above, metallurgy of most metals involves reduction of their oxides. The nature of the reduction process depends up

Wave, #quesdcsxxdxf tion..

#quesdcsxxdxf tion..

Explain sources of antioxidants, Sources of antioxidants The primary bi...

Sources of antioxidants The primary biological role of antioxidant is in preventing the damage that reactive free radical can cause to cells and cellular compounds. In fact, al

What is the extent of h-bonding in hf, Since flourine is very electronegati...

Since flourine is very electronegative as a result hydrogen makes a very positive character.as a result the H-bonding is very strong because of large difference in electronegativit

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