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Chemistry 15 Online
OpenStudy (anonymous):

WILL FAN AND GIVE MEDAL For the molecular reaction given write an ionic and a net ionic equation. 1) Ca(s) + MgCl2(aq) → CaCl2(aq) + Mg(s) ionic: net ionic:

OpenStudy (anonymous):

split it. Calcium (Ca) does it give or take electrons?

OpenStudy (anonymous):

yes?

OpenStudy (anonymous):

its a question. does it give or take electrons?

OpenStudy (anonymous):

are you asking me because you don't know or asking me to see if I know?

OpenStudy (anonymous):

oh, well yes it gives electrons.

OpenStudy (anonymous):

good, now how many? (hint: check the group number)

OpenStudy (anonymous):

2

OpenStudy (anonymous):

perfect, wehn you put that into equation, \[Ca\longrightarrow Ca^{2+}+2e^-\]

OpenStudy (anonymous):

then, how does MgCl2 dissociate?

OpenStudy (anonymous):

Mg is right above "Ca" and Cl is a halogen.

OpenStudy (anonymous):

wait-- im confused, disassociate?

OpenStudy (anonymous):

yes, in aqueous solution!!!

OpenStudy (anonymous):

MgCl2 is an ionic solid!!

OpenStudy (anonymous):

\[MgCl_2\longrightarrow Mg^{2+}+2Cl^-\]

OpenStudy (anonymous):

now we have all the raw ions to re-combine to give you the product.. write that equation down using the equation button

OpenStudy (anoop27):

|dw:1364704131063:dw|

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