Q1.
A 9-carat gold ring is made from a mixture of metals.
The table below shows the mass of d...
Q1.
A 9-carat gold ring is made from a mixture of metals.
The table below shows the mass of different metals in the ring.
The mass of the ring is 5.0 g
Metal Mass of metal in g
Gold 1.9
Silver 2.8
Copper 0.3
(a) Plot the data for copper from the table above on the graph below.
(2)
(b) The cost of gold is £30 per gram.
Calculate the cost of the gold used in the 9-carat gold ring.
Use the table above.
Cost of gold = £
Answers: 1
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