trong dung dịch CH3COOH 4,3.10^-2 M, người ta xác định được nồng độ H+ bằng 8,6.10^-4 M. Hỏi có bao nhiêu phần trăm phân tử CH3COOH trong dung dịch này điện li ra ion

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.