Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
The Mole: Formulae And Chemical Equations Questions and Answers
0
votes
0
answers
when 4 g of metal carbonate was dissolved in 160 cubic centimetre of 1M hydrochloric acid and then the resultant solution diluted to 1 L, 25 cm of the solution required 20 cubic centimetre of 0.1 M sodium hydroxide solution for complete neutralisation calculate the number of moles per litre of exercise hydrochloric acid that reacted with sodium hydroxide
asked
Mar 10
in
Chemistry Form 3
by
0705145XXX
the mole: formulae and chemical equations
0
votes
0
answers
when 4 g of metal carbonate was dissolved in 160 cubic centimetre of 1M hydrochloric acid and then the resultant solution diluted to 1 L, 25 cm of the solution required 20 cubic centimetre of 0.1 M sodium hydroxide solution for complete neutralisation calculate the number of moles per litre of exercise hydrochloric acid that reacted with sodium hydroxide
asked
Mar 10
in
Chemistry Form 3
by
0705145XXX
the mole: formulae and chemical equations
when 4 g of metal carbonate was dissolved in 160 cubic centimetre of 1m hydrochloric acid and then the resultant solution diluted to 1 l
25 cm of the solution required 20 cubic centimetre of 0.1 m sodium hydroxide solution for complete neutralisation calculate the number of moles per litre of exercise hydrochloric acid that reacted with sodium hydroxide
0
votes
0
answers
what is titration
asked
Mar 2
in
Chemistry Form 3
by
0728107XXX
the mole: formulae and chemical equations
subcategory.moles
0
votes
0
answers
what is the lattice energy
asked
Nov 3, 2023
in
Chemistry Form 3
by
0724925XXX
the mole: formulae and chemical equations
0
votes
0
answers
what is the lattice energy
asked
Nov 3, 2023
in
Chemistry Form 3
by
0724925XXX
the mole: formulae and chemical equations
0
votes
2
answers
calculate the relative molecular mass of the following gases from the information given 0.4 g of oxygen is 288 and interstate at STP
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
4
answers
how many molecules of gas are contained in 5 dm³ cubed of hydrogen at STP
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
0
answers
an evacuated flask has a mass of 90.050 grams when filled with gas at STP the plus 2 is 19.121 grams if the volume of the flask was 22.2 centimetres cubed calculate the relative molecular mass of gas-x and suggest is identity
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
0
answers
what is the mass of 4480dm³ of nitrogen gas
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
0
answers
a mass of 5.125 g washing soda crystals are disacsolved and made up to 250 CM3 of solution at 25.07% of the solution required 35.8 CM3 of 0.05 molar sulphuric VI acid for neutralization calculate the percentage of sodium carbonate in the crystals
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
3
answers
what is the mass of 22.4 l of ammonia
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
0
answers
a 1 gram sample of limestone was allowed to react with 100 CM3 of 0.1 molar hydrochloric acid the excess acid required 24.8 centimetres cubed of 0.1 molar sodium hydroxide solution calculate the percentage of calcium carbonate in the limestone
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
1
answer
what volume of hydrogen is evolved when 20 g of zinc is reacted with excess dilute sulphuric VI acid at STP
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
2
answers
what mass of copper 2 oxide will just neutralize dilute nitric 5 acid containing 3.15 g off pure nitric 5 acid dissolved in water
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
0
answers
calculate the molarity of hydroxide ions in a solution prepared by dissolving 2.8 g of sodium hydroxide in enough water to make 1 l of solution
asked
Aug 13, 2023
in
Chemistry Form 3
by
0715220XXX
the mole: formulae and chemical equations
0
votes
1
answer
In an experiment an unknown mass of anhydrous sodium carbonate was dissolved in water and the solution made up to 250cm³. 25cm³ of this is neutralised 20cm³ of 0.25M nitric acid. (Na=23.0,C=12.0,O=16.0) calculatea)moles of nitric acid used.b)moles of sodium carbonate in 25cm³ of the solution.c) mass of unknown sodium carbonate level
asked
May 5, 2023
in
Chemistry Form 3
by
0768347XXX
the mole: formulae and chemical equations
0
votes
4
answers
on complete combustion on oxygen of 0.42grams of gaseous hydrocarbon x,it gave 1.32grams of carbon dioxide and 0.54grams of water determine the empirial formula
asked
Apr 29, 2023
in
Chemistry Form 3
by
0740744XXX
the mole: formulae and chemical equations
0
votes
3
answers
what is a mole
asked
Mar 20, 2023
in
Chemistry Form 3
by
0719355XXX
the mole: formulae and chemical equations
0
votes
1
answer
define molar gas volume
asked
Mar 17, 2023
in
Chemistry Form 3
by
0740458XXX
the mole: formulae and chemical equations
0
votes
9
answers
what is the molecular mass of sodium
asked
Aug 6, 2022
in
Chemistry Form 3
by
Neemanesh
the mole: formulae and chemical equations
Page:
1
2
next »
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(631)
English
(285)
Kiswahili
(557)
Chemistry
(663)
Physics
(604)
Biology
(659)
Geography
(537)
History
(568)
CRE
(365)
IRE
(53)
Agriculture
(519)
Business Studies
(378)
Computer Studies
(20)
Home Science
(60)
General Questions
(431)
6.4k
questions
9.6k
answers
6
comments
590
users
...