Balance: 2Mg+1O2=2MgO

Chemistry
Tutor: None Selected Time limit: 1 Day

A. Balance

B. If .16moles of Mg metal reacts with excess oxygen gas, what is the mass of the theoretical yield?

C. What is the mass of the excess oxygen gas?

D. If you were only able to collect 2.98g of product, what was your percent yield?

Apr 22nd, 2015

B. 0.16mol Mg---0.16mol MgO, mass of theoretical yield is 0.16mol*40.3=6.45g

C. mass=0.08mol*32=2.56g

D. % yield=2.98/6.45 *100%=46.2%

Apr 22nd, 2015

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