How to convert mg/100ml. Please show me how to set this up in a conversion table. Here is the question itself. 1.70mg/100mL convert to mol/L. Thanks so much!
2007-04-07 13:59:02 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
You have to know the molecular weight of the substance. Suppose sodium chloride, NaCl, mol. wt. = 58.5g/mol
1.70mgNaCl/100mL x 1000mL/1L x 1gNaCl/1000mgNaCl x 1molNaCl/58.5gNaCl = 0.000290M
2007-04-07 14:11:03 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋
You meant you need to convert mg to mol; I hope you already know that 1L = 1,000ml.
Mol measures amount, mg (milligrams) measure mass. To know how to convert, you need to know how much the substance weights.
Check out http://en.wikipedia.org/wiki/Mole_(unit)#Example_calculation
2007-04-07 21:12:09 · answer #2 · answered by binba 3 · 0⤊ 0⤋
Must know the substance to solve this question
2007-04-07 21:09:24 · answer #3 · answered by reb1240 7 · 0⤊ 0⤋