Answer:
a. blue, b. red, c. red, d. basic - blue
Explanation:
a.washing powder ( containing sodium carbonate ) basic -blue
b. orange juice ( containing citric acid )- acidic -red
c. lemonade ( containing H2CO₃ )-acidic - red
d. cleaner ( containg NH₃ )- basic - blue
Answer:
4- radioactive isotopes
Explanation:
I don't remember exactly but this question was on the regents
A. M x L = moles.
<span>b. CH3COOH + NaOH ==> CH3COONa + H2O </span>
<span>I...6 mmols....0.......7.5 mmoles </span>
<span>C... 0........0.51 mmols..0 </span>
<span>E...6-0.511 ....0.......7.5+0.511 </span>
<span>I stands for initial </span>
<span>C stands for change. </span>
<span>E stands for equilibrium. </span>
<span>Just divide mmoles by 1000 to convert to moles. I work in mmoles because I get tired of writing those zeros. </span>
<span>c. done as in b.</span>
You may want to ask the questions seperatly more likely for someone to answer
