Chemistry, 20.04.2021 19:50 kuddlebugsmommy
When a calcium atom forms an ion, it loses two electrons. what is the eletrical charge ofbthe calcium ion?
A. -2
B. -1
C. +1
D. +2​
Answers: 3
Chemistry, 22.06.2019 00:40
1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /
Answers: 3
Chemistry, 22.06.2019 19:30
Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
Answers: 1
Chemistry, 23.06.2019 11:30
Distilled water is a completely neutral solution. what is its ph? a. 1 b. 7 c. 14 d. 0
Answers: 2
When a calcium atom forms an ion, it loses two electrons. what is the eletrical charge ofbthe calciu...
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