Chemistry11

StoichiometryI,II,&IIIReviewName:Date:Block:

Showallstepsandcalculationsinthespaceprovidedbelow.

1. Considerthefollowingreaction:

_____CuSO4+_____Mgà

a. Predicttheproductsandbalancethechemicalreaction

b. Whatisthemoleratiobetweenmagnesiumandcopper?

c. If12.7gofmagnesiumreacted,howmanygramsofcopperwereproduced?

d. Whatvolumeof1.72Mcopper(II)sulphatewasneededforthisreaction?

2. ConsiderthefollowingreactionthatoccursatSTP:

_____Cu+______HNO3à_____Cu(NO3)2+______NO2+_____H2O

a. Whatisthemoleratiobetweennitricacidandwater?

b. If5.0gofcopperreacted,howmanylitersofnitrogendioxidegaswereproduced?

c. Howmanygramsofwaterwereproduced?

d. Howmanymoleculesofcopper(II)nitratewereproduced?

3. Considerthefollowingreaction:copper(II)nitratereactswithsodiumhydroxidetoproducecopper(II)hydroxideandsodiumnitrate.

a. Writeabalancedchemicalformulatodescribethereaction.

b. If0.059gofcopper(II)nitratewereusedforthisreaction,whatmassofsodiumnitratewouldbeproduced?

c. HowmanymLof0.10Msodiumhydroxidewouldbeneededforthisreaction?

d. Howmanyatomsofhydrogenwouldbeproduced?

1a.MgSO4+Cu1b.1:11c.33.2gCu1d.0.304LCuSO42a.4:22b.3.5LNO22c.2.8gH2O2d.4.7x1022moleculesCu(NO3)23a.Cu(NO3)2+2NaOHàCu(OH)2+2NaNO33b.0.053gNaNO33c.6.3mLNaOH3d.3.8x1020atomsH