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# Oliver likes to go fishing in the river by his house. One day he noticed that there was a white substance on some

rocks at the bottom of the river. When he looked closely, it appeared as though someone had sprinkled a powder or crystals in the water. Moreover, the substance was found mainly where a small creek joined the larger river.

Curious, Oliver followed the creek through the forest toward an industrial area. Eventually, he reached a fence and found the source of the creek water — a large drainage pipe. Oliver noticed that there was steam coming off the water as it flowed out of the metal pipe.

The temperature reading (Celsius) of the water that flowed out of the drainage pipe: 88.35

The temperature reading (Celsius) of the water in the river: 7.14

How do I calculate the concentrations below ?

Question: Use the information provided to calculate the concentration of the solution in parts per million (ppm).

• Point A: 14.7 g of KNO3(aq) in 1.00 x 10^3 L of H2O(l)
• Point B: 1.12 g of KNO3(aq) in 1.00 x 10 ^2 L of H2O(l)
• Point C: 200 mg of KNO3(aq) in 1.00 x 10 ^2 L of H2O(l)
• Point D: 0.061 g of KNO3(aq) in 1.00 x 10^1 L of H2O(l)

Note that 1 ml of water has a mass of 1 g.

In addition to potassium nitrate, analysis revealed there was four other chemicals found in the water at Point A.

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