The calculated yield for water was 176 g but the measured yield what is 140 g what percent is the yield
Solved
Show answers
More tips
- S Science and Technology How to Check a Barcode: Unique Product Identifier...
- C Computers and Internet Thin Client: What It Is and Why You Need It?...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- F Food and Cooking Red Caviar: How to Choose the Best?...
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- F Food and Cooking Everything You Need to Know About Pasta...
Answers on questions: Chemistry
- C Chemistry The first two steps in the industrial synthesis of nitric acid produce nitrogen dioxide from ammonia: The net reaction is: Write an equation that gives the overall equilibrium constant...
- C Chemistry An atom can be compared to our solar system because: the nucleus gives off light like the sun. both electrons and planets move quickly. electrons orbit the nucleus like planets orbit...
- C Chemistry Match each vocabulary word with the correct definition. 1. differs in number of neutrons isotope 2. number of protons fusion 3. number of protons and neutrons atomic number 4. splitting...
- C Chemistry How is ozone formed in the upper atmosphere?...
- C Chemistry How does the ozone protect us from harmful radiation?...
- C Chemistry It was found that the effect of jet aircraft on the ozone layer was too insignificant to be the cause of ozone depletion. there were simply not enough aircraft to inflict lasting...
- C Chemistry Which of the following will favor a spontaneous change? 1.+δh. 2.−δh. 3.+δs. 4.−δs....
- C Chemistry Decide which action is appropriate when working with glass. get your station good and messy wear baggy clothing wear safety goggles over your eyes wet your hands...
- C Chemistry CaO + 3C = CaC, + Co AH = +464.8 kg Is this reaction endothermic or exothermic? Explain your reasoning. ANSWER ASAP PLEASE...
- C Chemistry Can someone please write this in y’all’s own words please and I’ll give you branly...
Ответ:
140/176 = 79.55%
Ответ:
Ka of monoprotic weak acid = 4.97 x 10^-3
Concentration = 0.193 m
H2A > 2H2+ + A-
0.193 0 0
-x x x
0.193 -x x x
where x is the percent ionization
4.97 x 10^-3 = x^2 * x / 0.193 - x
solve for x
x = 0.082