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02.09.2021 •
Mathematics
Câu 1:Cho 25ml dung dịch AgNO3 0.1248N vào 20ml dung dịch NaCl. Chuẩn độ lượng AgNO3 dư thấy tiêu tốn hết 11.54 ml dung dịch KCNS 0.0875 N. Tính nồng độ của dung dịch NaCl.
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Ответ:
So, if 1 kilometer equals 1,000 meters, that means 3 kilometers equal 3,000 meters.
So the ratio is 500:3000
But let's shrink it down:
= 1:3000/500
= 1:6