To calculate the amount of MgCO₃ that gives 84 ppm of hardness, we need to understand that ppm stands for parts per million, which is a way of expressing very dilute concentrations of substances. 1 ppm is equivalent to 1 milligram of something per liter (mg/l) of water.

1. Given that 84 ppm is equivalent to 84 mg/l, we can say that 84 mg of MgCO₃ in one liter of water gives a hardness of 84 ppm.

So, 84 grams of MgCO₃ dissolved per 1000 liters of water would give 84 ppm of hardness.

Question

To calculate the amount of MgCO₃ that gives 84 ppm of hardness, we need to understand that ppm stands for parts per million, which is a way of expressing very dilute concentrations of substances. 1 ppm is equivalent to 1 milligram of something per liter (mg/l) of water.

1. Given that 84 ppm is equivalent to 84 mg/l, we can say that 84 mg of MgCO₃ in one liter of water gives a hardness of 84 ppm.

So, 84 grams of MgCO₃ dissolved per 1000 liters of water would give 84 ppm of hardness.

Knowee AI · Accepted Answer

To calculate the amount of MgCO₃ that gives 84 ppm of hardness, we need to understand that ppm stands for parts per million, which is a way of expressing very dilute concentrations of substances. 1 ppm is equivalent to 1 milligram of something per liter (mg/l) of water.

1. Given that 84 ppm is equivalent to 84 mg/l, we can say that 84 mg of MgCO₃ in one liter of water gives a hardness of 84 ppm.

So, 84 grams of MgCO₃ dissolved per 1000 liters of water would give 84 ppm of hardness.

How many grams of MgCO₃ dissolved per liter gives 84 ppm ofhardness

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