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Chemistry 7 Online
OpenStudy (anonymous):

150ml of 0.8M lead(II)nitrate is reacted with 250ml of 0.6M sodium chloride which reactant is limiting and which is excess? What is the mass of the products? What is the net ionic equation for this reaction?

OpenStudy (vincent-lyon.fr):

Write the equation first.

OpenStudy (anonymous):

PbNO3 + NaCl --> PbCl + NaNO3

OpenStudy (vincent-lyon.fr):

No, because the lead ion is Pb\(^{2+}\)

OpenStudy (anonymous):

are you referring to the net ionic equation?

OpenStudy (vincent-lyon.fr):

Yes, but the fact that Pb bears two positive charges also implies a different formula for lead nitrate and for lead chloride.

OpenStudy (anonymous):

Pb+3NO3 + 3NaCl --> PbCl3 + 3NaNO3 is this right?

OpenStudy (aaronq):

you need to balance they charges: \(Pb^{2+} + 2NO_3^-\rightarrow Pb(NO_3)_2\)

OpenStudy (anonymous):

3Pb + 6NO3 --> 3Pb(NO3)2 is this right?

OpenStudy (aaronq):

nah i was writing the association of the ions, showing the charges balanced, it should be \(Pb(NO_3)_2\)

OpenStudy (anonymous):

acevsnake, do you still need help?

OpenStudy (anonymous):

ok -

OpenStudy (anonymous):

alright give me a sec

OpenStudy (anonymous):

what equation do you have?

OpenStudy (anonymous):

Pb2++2NO−3→Pb(NO3)2

OpenStudy (anonymous):

that is you net ionic?

OpenStudy (anonymous):

ah ok

OpenStudy (anonymous):

lets start from the beginning, i'll walk you through the problem.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so what is your balanced molecular equation?

OpenStudy (anonymous):

Pb(NO3)2 + NaCl → PbCl + Na(NO3)2

OpenStudy (anonymous):

My battery is dieing just incase I do not respond

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