subject
Chemistry, 13.01.2020 07:31 synite

Base your answer to this question on the information below.
hydrogen peroxide, h2o2 , a water-soluble campound. the concentration of an aqueous hydrogen peroxide solution that is 3% by mass h2o2 is used as an antiseptic. when the solution is poured on a small cut in the skin, h2o2 reacts according to the balanced equation below.
2h2o2 -> 2h2o+ o2
calculate the total mass of h2o2 in 20.0 grams of an aqueous h2o2 solution that is used as an antiseptic.
1. (34)(20.0)g
2. (34)(0.03)g
3. (20.0)(0.03)g
4. (20.0)(3)g

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
question
Chemistry, 22.06.2019 11:30
If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
question
Chemistry, 22.06.2019 16:00
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
Answers: 1
question
Chemistry, 22.06.2019 19:30
Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
Answers: 2
You know the right answer?
Base your answer to this question on the information below.
hydrogen peroxide, h2o2 , a water-...
Questions
question
Arts, 16.01.2021 14:00
question
Arts, 16.01.2021 14:00
question
English, 16.01.2021 14:00
question
Advanced Placement (AP), 16.01.2021 14:00
Questions on the website: 13722367