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How much does a 500 mL flask weigh in milliliters?
mL usually doesn't represent weight. But, mL meansmilliliters, so the 500 mL flask would be 500 milliliters.
How much mass would 175ml of water have?
At 4 degrees C, 175 ml of pure water would have mass of 175 g.
How much pounds are 4500 ml?
None. A pound is a measure of weight whereas a ml is a measure of volume. The weight of 4500ml depends on the density of the substance.
Does one gram weight equals 1 ml volume?
Only if it is water, which has a mass of 1gram per ml volume
How much pure acid should be added to 50 ml of a 10 percent acid solution to give a 50 percent acid solution?
A 50 ml solution that is 10% acid will consist of 5 ml of acid (10% of the volume) and 45 ml of water (90% of the volume). You're not adding any water, but you want to add enough acid to make a solution that is 50% acid and 50% water. You will need to have a total of 45 ml of acid in the mixture to make it a 50/50 solution, since the amount of water is also 45 ml. You have 5 ml in there already, so you would need to add 40 ml of acid. That would make a total 90 ml solution that is 50% water (45 ml) and 50% acid (45 ml).
