"0.9% NaCl" means 0.9 grams of NaCl (sodium chloride, or salt) per 100 mL of solution. This is a percentage by weight per volume. To clarify, a 0.9% NaCl solution would indeed contain 0.9 grams of NaCl dissolved in 100 mL of water, not 99.1 mL. Think of it this way: - 0.9 g NaCl (solute) + 99.1 mL water (solvent) = 100 mL solution (0.9% NaCl) The 0.9 g of NaCl is dissolved in the water to create the solution, so the total volume is 100 mL.
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Please convert the value of 103mg % w/v into miligram per 100 ml
0.9 % nacl should mean 0.9 g in 100 ml here you are saying 0.9 g in 99.1 ml how does this makes sense?
"0.9% NaCl" means 0.9 grams of NaCl (sodium chloride, or salt) per 100 mL of solution. This is a percentage by weight per volume.
To clarify, a 0.9% NaCl solution would indeed contain 0.9 grams of NaCl dissolved in 100 mL of water, not 99.1 mL.
Think of it this way:
- 0.9 g NaCl (solute) + 99.1 mL water (solvent) = 100 mL solution (0.9% NaCl)
The 0.9 g of NaCl is dissolved in the water to create the solution, so the total volume is 100 mL.