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20 g of common salt is dissolved in 180 g of water. What is the mass percentage of the salt in the solution? |
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(a) |
5% |
(b) |
9% |
|
(c) |
10% |
(d) |
15% |
|
20 g of common salt is dissolved in 180 g of water. What is the mass percentage of the salt in the solution? |
|||
|
(a) |
5% |
(b) |
9% |
|
(c) |
10% |
(d) |
15% |