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kow [346]
3 years ago
8

Please help me- Math Sucks >:(

Mathematics
2 answers:
mestny [16]3 years ago
8 0

Answer:

its 4 x 2

Step-by-step explanation:

when you count the stars in the circle its equal to 8.2 x 4 =8

lorasvet [3.4K]3 years ago
6 0

Answer:

4x2 and 8 divided by 4

Step-by-step explanation:

I love math !

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How many milliequivalents of sodium chloride are contained with 3 L of normal saline?
AVprozaik [17]

Answer:

466mEq

Step-by-step explanation:

First, we need to know the concentration of NaCl in a normal saline solution, this is by definition 0.9%, meaning we have 0.9g of NaCl per 100ml of solution, we want to know how much NaCl we have in 3L (3000ml):

3000ml*\frac{0.9g}{100ml}=27g=27000mg

So, we have 27000mg in 3L of normal saline solution.

Now, acording to our milliequivalent (mEq) equation (mEq=\frac{mg}{pE}) where pE is de molecular mass of NaCl divided by their charges, in this case 1:

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Finally we substitute in the mEq formula:

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I hope you find this information useful! Good luck!

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