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Page Title:
Solving Milliequivalent per Liter Problems |
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 58.5 mg
mmol
--------X -------- = 58.5 mg/mEq
mmol
1 mEq
Express the desired volume in liters.
1L
500 mL X --------= 0.500 L
1000 mL
Determine the amount of salt needed using the appropriate factors.
25.0 mEq
58.5 mg
--------X ---------- X 0.500 L = 731 mg
L
mEq
b. Example 2. How much MgSO4 is needed to make 100 mL of a 50.0 mEq/L
MgSO4 solution?
Solution. Read the problem carefully and determine the desired quantity.
Milligrams of MgSO4.
Determine the milliequivalent weight of the compound.
MgSO4
Mg 24.3 X 1 = 24.3
S
32.1 X 1 = 32.1
O
16.0 X 4 = + 64.0
120.4 mg/mmol
120.4 mg
mmol
---------- X --------= 60.20 mg/mEq
mmo
2 mEq
Express the desired volume in liters.
1L
100 mL X --------= 0.100 L
1000 mL
MD0837
4-9
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