The pH value of a solution indicates its acidity or alkalinity. A solution with a pH of 7 is ___. A. acidic B. basic C. neutral D. strongly acidic 相关知识点: 试题来源: 解析 C。pH 值表示溶液的酸碱性,pH 为 7 是中性(neutral),小于 7 为酸性,大于 7 为碱性。反馈...
AQUEOUS BUFFERED SOLUTION; COMPRISES A SOLUTION WITH A PH FROM 6.8 TO 7.8, CONTAINING ONE OR MORE CARBON SOURCES, ONE OR MORE BIOLOGICALLY COMPATIBLE SALTS AND A ZWILTERIONIC BUFFERSHARPIN, ROSEMARY KATHERINE CAMERONTHOMPSON, JEREMY GILBERT ELLIOT...
Solution:In chemistry, the term "solution" refers to the mixture of two parts: solute and solvent. The solute will be present in a small amount and the solvent will be present in a larger amount compared to the solute. Based on the pH value, the solution can be classified as a base,...
Answer to: Calculate the (H_3O^+) of a solution with pH of 4.20. By signing up, you'll get thousands of step-by-step solutions to your homework...
Answer to: Fill in the blank with correct answer. A solution with pH of 8. 65 has [{Blank}] H+ per litre than the solution with pH of 6. 65 By...
How does one calculate the ph of a solution? What is the pH of a 0.1 m solution of NAOH? What is the pH of a solution with an OH- = 4.2 x 10-9 M? a) 2.38 x 10-6 b) 2.23 c) 5.62 d) 8.38 What is the hydronium ion concentration of a solution with a pH of 6.0?
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【题目】The pH of a solution describes its acidity. Each one-unit decrease in the pHmeans that the solution is 10 times more acidic. For example, a pH of 4 is10 times more acidic than a pH of 5.Cola is 104 times more acidic than water. What is the pH value of cola? 相关知识点...
pH of a solution changes from 6 to 9, what is a fold difference in [OH-] concentration?There are 2 steps to solve this one. Solution Share Step 1 An instrument for calculating bases and acids is a pH...View the full answer Step 2 Unlock Answer UnlockPrevio...