Solid
A miner finds a sample of rock and is convinced it contains
gold. He looks up the density of gold and discovers gold has a density
19 g/cm^3, whilst ‘fool gold’ has a density of 5 g/cm^3. The mass of
his sample is 5.5kg and the volume of water is displaced by
it's 300cm3.
a)
Calculate the density of the sample in g/cm^3.
Answers: 1
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 23.06.2019 00:30
What is the percent by mass of magnesium sulfate in mgso4.7h2o
Answers: 3
Chemistry, 23.06.2019 07:40
Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?
Answers: 2
Solid
A miner finds a sample of rock and is convinced it contains
gold. He looks up the...
A miner finds a sample of rock and is convinced it contains
gold. He looks up the...
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