HOW DO I MAKE A LITER OF 5M NaCL STOCK SOLUTION?

Answer 1

5 M means 5 moles of NaCl per liter of solution. 1 mole of NaCl weighs 58.5g. 58.5 x 5 = 292.5g. So add 292.5 g of NaCl to 1 Liter of water.

Answer 2

5 M Nacl

Answer 3

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M (molar) means moles of solute divided by liters of solution, so take 5 M, write as 5 mol/L divide that by .1 L (100 milliliters converted to liters) to get the amount of moles need of NaCl to get a 100 ml stock solution. If you need grams then convert the moles into grams by multiplying by the molar mass of NaCl.

Answer 4

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HOW DO I MAKE A LITER OF 5M NaCL STOCK SOLUTION?

Answer 5

Calculate the molar mass of NaCl using periodic table.
That will be in grams per mol. since your solution is 5mol/liter, multiply the molar mass by five. it will give you mass of NaCl you need to weigh and add enough water to make 1 liter.
Good luck with homework!

Answer 6

Get a 1 L volumetric flask, pour about 500 mL of distilled water into it, add 5 moles of NaCl (5 times molecular wt of salt, in g), shake vigorously to dissolve, than add more water until the 1 L mark is reached. You're done!

Matahari above is slightly off. You do not add the salt to 1 L of water. You add the salt so that it and the water is exactly 1 L. If you add the salt to 1 L of water, you will get slightly more than 1 L. Your molarity will then be slightly less than 5

Answer 7

V*M=moles Now you want to take out 2 moles: V*5m/l=2 so V = .4l or 400ml to be removed The 400ml has 2 moles in it, so dilute it up to 1liter and you now have a 2M/l solution. 1 tsp will have a conc of 2 mole/liter

Answer 8

i think you can use the equation m1v1 X m2v2, remember that 1M is the equivalent of moles/liters