Summary The exam style practice questions with answers based on the new IGCSE specification for Cambridge International students.
8 views 0 purchase
Course
Chemistry
Institution
9th Grade
The students are provided in depth knowledge of mole calculations based theory and application exam style reinforcement questions with answers based on new IGCSE , IGCSE ( 9-1) Cambridge examinationa.
mole calculation workbook for igcse chemistry stud
igcse cambridge specification
Written for
Secondary school
9th Grade
Chemistry
5
All documents for this subject (16)
Seller
Follow
swarnapaliliyanage
Content preview
Stoichiometry and Mole Concept
Calculations
for IGCSE Chemistry
With answers
The booklet is based on the Cambridge IGCSE chemistry specification from
2023
This booklet covers the following topics
1 . writing Formulae , word equation, symbol equation and ionic equations
2.Calculating relative formula mass(molar mass) and percentage by mass
3.Calculating moles, molecules , atoms and mass of chemical compound
4.Calculating the moles and volume of gases
5.Calculating the concentration , moles and volume of solutions
6. Calculating the moles, molecules and atoms ( calculations with Avogadro
Constant)
7.Calculating empirical formula and molecular formula.
8. Percentage purity and percentage yield
9. Calculating of reacting masses , excess and limiting reagents and prediction of
the quantity of reactants and masses
10.Calculations problems related with titrations
11. Answers
,Formulae , word equation, symbol equation
and ionic equations
Writing chemical formulae
(1) What names would you give these compounds?
a) NaI ……………………………………………
b) MgS ……………………………………………
c) Li2O ……………………………………………
d) Li3N ……………………………………………
e) Ca(OH)2………………………………………...
f) Fe3 (PO4 ) ……………………………………...
g) KBr…………………………………………….
h) HNO3………………………………………......
i) Al(OH)3……………………………………...
j) SiCl4 ………………………………………….
k) CuCO3 ……………………………………….
l) FeSO4 ………………………………………..
m) Mg3N2 ……………………………………..
n) C6H14 ……………………………………….
o) PCl3 …………………………………………
p) K2Cr2O7 …………………………………….
q) KNO2 ……………………………………….
r ) Al2(SO3)3…………………………………
(2) Use your Periodic Table to help you give the formula of these compounds:
, Writing word chemical equations, formula ( symbol)
chemical equations , balancing chemical equations and ionic
equations
(1) Write word equations for the reactions described below.
a) Iron rusts because it reacts with oxygen in the air to form a compound called iron(III) oxide.
………………………………………………………………………………………………………………..
b) Sodium hydroxide neutralises sulfuric acid to form sodium sulfate and water.
………………………………………………………………………………………………………………...
c) Sodium reacts strongly with water to give a solution of sodium hydroxide; hydrogen gas is also given off.
…………………………………………………………………………………………………………………
d) Copper carbonates decomposes to copper(II) oxide and carbon dioxide.
……………………………………………………………………………………………………………………
e) Magnesium carbonate reacts with nitric acid to give magnesium nitrate , carbon dioxide and water.
…………………………………………………………………………………………………………………..
(3)Write word and balanced chemical equations for the reactions between:
a) Sodium and water
Word equation………………………………………………………………………………………………………………
Balanced chemical equation ……………………………………………………………………………………………………
b) Magnesium and steam
Word equation………………………………………………………………………………………………………………
Balanced chemical equation ……………………………………………………………………………………………………
c) Calcium and oxygen
Word equation………………………………………………………………………………………………………………
Balanced chemical equation ……………………………………………………………………………………………………
d) Bromine and potassium iodide solution
Word equation………………………………………………………………………………………………………………
Balanced chemical equation ……………………………………………………………………………………………………
e) Zinc and copper sulfate solution.
Word equation………………………………………………………………………………………………………………
Balanced chemical equation ……………………………………………………………………………………………………
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller swarnapaliliyanage. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $6.42. You're not tied to anything after your purchase.
