dilute it 1 in 5000. likely best done with a serial or step dilution
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To prepare a 0.2 ppm solution from a 1000 ppm solution, you would need to dilute the 1000 ppm solution by adding 5000 parts of solvent for every 1 part of the 1000 ppm solution. This means mixing 1 part of the 1000 ppm solution with 5000 parts of solvent to achieve a 0.2 ppm concentration.
80 parts per thousand (ppt) means there is 80 grams (g) of NaCl (salt) per 1000 grams of water. 1L is approximately 1000 grams of water; it can vary slightly depending on the temperature.
To calculate the number of moles of NaI in 50.0mL of a 0.400M solution, you first need to convert the volume to liters by dividing by 1000 (since 1L = 1000mL). Then, use the formula moles = Molarity x Volume (in liters) to find the number of moles of NaI. In this case, it would be 0.400 mol/L x 0.050 L = 0.020 moles of NaI.
To find the moles of NaCl, first convert the volume to liters: 1000 ml = 1 L. Then use the formula moles = Molarity x Volume (in liters) to calculate the number of moles. So, moles = 0.20 mol/L x 0.1 L = 0.02 moles of NaCl.
In chemistry notation, 02 represents a molecule of oxygen gas, composed of two oxygen atoms bonded together.
"h2-02" does not correspond to any standard abbreviation or term that I am aware of. It may be a typo or a specific code or reference that is not widely recognized. Can you provide more context or clarify the meaning for me to assist you better?