Question

2.5 SC
se
3
H
3.1 2
3.2
is
5
Bas
1.2 The formula that represents the simplest ratio
of the atoms in the compound. Ci Hizon
1.3 The mass of one molecule of a substance
relative to C-12.
2 Calculate the molar mass of ...
2.1 ALO
2.2 Ca(PO)
2.3 silver cyanide.
3 Calculate the empirical formula of the
compound that is 56,52% potassium, 8,7%
carbon and 34,78% oxygen.
4 What is the percentage by mass of water in
the compound FeCl,H,O?
5 Calculate the percentage of sulfur in sodium
sulfate (Na SO..
6 A farmer needs to add a fertiliser with a high
nitrogen content to the ground. He has a
choice of ammonium sulfate, ammonium
nitrate and ammonium phosphate. Which
should he use? Show all calculations.
7 The molecular formula for aspartame,
the artificial sweetener in NutraSweet",
is C, H, NO. Calculate the percentage
composition of aspartame.
1
1.1
1
Moles, molar volume and molar concentration
Explain the relationship between each of the
following:
1 mass and number of moles
1.2 volume of gases and the number of moles
13 debet et parties and number of mutes
mass is remesented by ach of the​

Answer 1

Answer:

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