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cr(s)--->Cr^3(aq)+3e- and Pb2+(aq)+2e---->Pb(s) write a balanced equation

Please help thanks

Make the electrons equal and add; how do you do that? Multiply equation 1 by 2 and equation 2 by 3 and add.

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cr(s)--->Cr^3(aq)+3e- and Pb2+(aq)+2e---->Pb(s) write a balanced equationPlease help thanks

Top answer: To balance the given half-reactions: 1. Start by balancing all the elements except oxygen and Read more.
cr(s)--->Cr^3(aq)+3e- and Pb2+(aq)+2e---->Pb(s) write a balanced equationPlease help thanks

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A sample of water is found to contain 0.059 ppm of Pb2+ ions. Calculate the mass of lead ions per liter of this solution (assume

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i just don't know where to begin/howa) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write

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Write the half reactions and the balancedequation for the galvanic cell Cu(s)| Cu2+(aq)|| Cu+(aq)| Cu(s). What is the smallest

Top answer: It should be 1, because the final balanced equation is 2Cu+ + Cu --> Cu2+ + 2Cu Therefore, your Read more.
write the balanced chemical equation for the reaction that would occur ewhen a base is added to a solution containing

Top answer: Bases react with acids. The acid in an H2PO4/HPO4 buffer is the H2PO4^-. So H2PO4^- + OH^- ==> Read more.
Potential of a cell is 0.1776 voltsPb|Pb2+(??M)||Pb2+(1.0M)|Pb I know i have to use Nernst's equation .. i just have no clue how

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