Thank you for posting your question here at brainly. Below are the choices that can be found elsewhere:
12.88 M
<span>0.1278 M </span>
<span>0.2000 M </span>
<span>0.5150 M
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Below is the answer:
<span>5 times diluted (250/50),so 2.575/5=0.515 M
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I hope it helps.
Answer:
A
Explanation:
water molecules are combined to make food
Answer:
Elasticity or Flexibility
Explanation:
The ability of an object to resume its normal shape after being stretched or compressed is called elasticity
Answer:
nNaOH = 0,2 mol
Trong hỗn hợp các chất đề bài cho chỉ có phenol tác dụng với NaOH
C6H5OH + NaOH → C6H5ONa + H2O
0,2 ← 0,2 (mol)
⟹ mphenol = 0,2.94 = 18,8 gam
⟹
%mC6H5OH=18,8/28,9 x100%= 65,05%
Explanation:
No, ammonium chloride in water is not a physical reaction. It is a chemical reaction. Hope this helps!