5. Thêm 25ml dung dịch AgNO3 0,1N vào 20ml dung dịch NaCl chuẩn độ AgNO3 0,1N dư hết 11ml dung dịch KSCN 0,09N. Tính nồng độ P(g/l) của dung dịch NaCl?

•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?