How many grams of soulte are needed to prepare each of the following solutions?
The 4 is a subscript!
Answer:
Ok Ill tell you the steps, because I know you can do the math on your own!!
convert the 20 mL to liters.
multiply the number of liters by the given molarity.
this gives you the moles of KMnO4.
find the molar mass of KMnO4 and multiply it by the number of moles you just calculated.
... and you have the grams of KMnO4 (solute)
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