![SOLVED: A 148-mg sample of Na2CO3 is dissolved in H2O to give 1.70L of solution. What is the concentration of Na+ in parts per million (ppm)? Note: "ppm" are 106 ×[(mass of SOLVED: A 148-mg sample of Na2CO3 is dissolved in H2O to give 1.70L of solution. What is the concentration of Na+ in parts per million (ppm)? Note: "ppm" are 106 ×[(mass of](https://cdn.numerade.com/ask_previews/7f8f91e2-01f6-4a19-9058-344a41ede0e8_large.jpg)
SOLVED: A 148-mg sample of Na2CO3 is dissolved in H2O to give 1.70L of solution. What is the concentration of Na+ in parts per million (ppm)? Note: "ppm" are 106 ×[(mass of
![SOLVED: How many grams of mgco3 dissolved per litre gives 84 ppm hardness? A. 70.56 mg/l b. 48.23 mg/l c. 81.49 mg/l d. 66.12 mg/l SOLVED: How many grams of mgco3 dissolved per litre gives 84 ppm hardness? A. 70.56 mg/l b. 48.23 mg/l c. 81.49 mg/l d. 66.12 mg/l](https://cdn.numerade.com/ask_previews/624c6ef7-8a76-4a79-9104-c991b2865a55_large.jpg)
SOLVED: How many grams of mgco3 dissolved per litre gives 84 ppm hardness? A. 70.56 mg/l b. 48.23 mg/l c. 81.49 mg/l d. 66.12 mg/l
![Pounds Formula Prepared By Michigan Department of Environmental Quality Operator Training and Certification Unit. - ppt download Pounds Formula Prepared By Michigan Department of Environmental Quality Operator Training and Certification Unit. - ppt download](https://images.slideplayer.com/6/5663587/slides/slide_7.jpg)