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Q: How much sterile water to add to ceftriaxone 2gm 20ml?
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How much does 20ml in a 5mg5ml solution equal in cc?

A mL and a cc are the exact same. So if you have 20mL, you have 20cc.


If you mix salt with water how much salt water will you get?

Well that depends on how much salt and how much water you have and what you want to accomplish by mixing them.


Can plants get too much water?

yes, plant can get too much water.


A 20.0 mL sample of a salt solution that has a mass of 24.0 g What is the density of the solution?

density = mass/volume. (g/cm^3)So here it is simple 24g/20ml = 1.2 g ml-1That's it. But check your units. g cm-3 is generally used in chemistry...and luckily cm-3 = ml-1. But if your volume is in litres or weight is in kgs, just be careful with your units.A fun side-note is that water is more or less 1g cm-3 in density. So 20ml of water = 20g. Here you have 24g, so you know 4grams of salt was added.This IS an approximation, though. There are many subtle effects you would consider in much higher education.-------------------------------------------------density is in g/ml or g/cc. And, the easiest way to do these problems is to just make the units match (with something that seems logical).You are given 20 ml & 24 g.So you simply divide the two.24g/20ml = 1.2 g/mlCheck your work... Does this make sense. You said it is a "salt solution" which we would expect a moderate increase in density over 1, so this seems plausible.


How much water in the hydrosphere is salt and how much is fresh?

well there is 30% in the salt water but is that the natural water is more fresh