Astudent has 2.99 g of potassium permaganate. how many ml of a .532 m solution can the student make?

how does one solve this?

Explanation:

you must be know the formula of potassium permaganate is KMnO₄

now you have already in question 2 things ,

1. the molarity of solution = 0.532 M

2. the mass of KMnO₄ = 2.99 g

the molarity law is  M = moles of solute  / volume (L)

so use this equation to calculate the volume in liter and convert the result to milliliter.

( if the mass unit is gram (g) = volume must be litter (L) and if the mass unit is milligram = volume must be milliliter (ml) )

** first you must use this equation to calculate how many moles do you have in KMnO₄

number of moles = mass (g) / molecular weight "MW" (g/mole )  

now you have 2.99 g ( Mentioned in Question )

and you can calculate MW if you now the Chemical formula

so we have KMnO₄  

Mw for KMnO₄  = 39 + 55 + 4x16 = 158 g/mole

**( K=39 , Mn=55 , O= 16 )

so number of moles = 2.99 / 158 = 0.018 = 0.02 moles

and if you go back to the molarity law : 

Molarity = moles of solute  / volume (L)

so  0.532 = 0.02  / volume (L)

Volume (L) = 0.532 x 0.02 = 0.01064 L

convert to ml =  0.01064 x 1000 = 10.64 ml

Good Luck

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for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).

most historians agree that gabriel mouton, the vicar of st. paul’s church in lyons, france, is the “founding father” of the metric system. he proposed a decimal system of measurement in 1670. mouton based it on the length of one minute of arc of a great circle of the earth (now called a nautical mile, 1852 meters). he also proposed the swing-length of a pendulum with a frequency of one beat per second as the unit of length (about 25 cm). a pendulum beating with this length would have been fairly easy to produce, thus facilitating the widespread distribution of uniform standards. over the years, his work was revised, improved, and extended by a number of french scientists.

the political sponsor of weights and measures reform in the french revolutionary national assembly was the bishop of autun, better known as talleyrand. under his auspices, the french academy appointed several committees to carry out the work of developing a usable system of weights and measures for france. one of the committees recommended a decimalized measurement system based upon a length equal to one ten-millionth of the length of a quadrant of the earth’s meridian (i.e., one ten-millionth of the distance between the equator and the north pole).