exercise Problem solving 1. Calculate the concentration of a sodium chloride solution containing 0,125 mol sodium chloride in 500 cm of water. 2. Calculate the number of moles of a copper sulfate solution of 0,02 mol-dm in 250 ml in water. amide solution containing 1.6 mol of
exercise Problem solving 1. Calculate the concentration of a sodium chloride solution containing 0,125 mol sodium chloride in 500 cm of water. 2. Calculate the number of moles of a copper sulfate solution of 0,02 mol-dm in 250 ml in water. amide solution containing 1.6 mol of
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter11: Solutions And Colloids
Section: Chapter Questions
Problem 8E: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration...
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Question
Transcribed Image Text:molecles: 6
888
Numbers of moles of solute malecules: 6
Concentration: c=
Concentration: c=
6.
05
=12 mol-dm3
=6 mol-dm-3
Exercise H
Problem solving
1. Calculate the concentration of a sodium chloride solution containing 0,125 mol sodium chloride
in 500 cm³ of water.
2. Calculate the number of moles of a copper sulfate solution of 0,02 mol-dm3 in 250 ml in water.
3. Calculate che volume of a 0,8 mole-dm-3 potassium bromide solution containing 1,6 mol of
potassium bromide.
4. Calculate the concentration if 17 g silver nitrate dissolved in 250 cm3 water.
5. Calculate the mass of lithium carbonate used to prepare a 0,36 mol-dm3 solution in 250 ml.
Molar volume
At STP (standard temperature and pressure) one mole of any gas has a volume of 22,4 dm
Standard temperature is 0°C and standard volume is 101,3 kPa (kilopascals), which is
equal to 1 atmosphere pressure.
For example:
HUAWEI P30 lite
TRIPLE CAMERA
1 mole of hydrogen gas has a molar mass of 2 g-mol and a volume of 22,4 dm³ at
Cll gacer under the same conditions (same temperature an-
1 mole of oxygen gas has a molar mass of 32 g-mol- and a volume of 22,4 dm³ at STE
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