Question 1 of 10 What coefficient would the O, have after balancing CaH10+ 0, 0, + H2O?
A. 5
B 2.5
o
C: 6,5
D4
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by cartels in other countries, shipped by air, mail, or land. i cant really see your answer choices : /

let that person have a turn to speak : )

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.