The molar mass of iron oxide (Fe2O3) is 159
g/mol. What is the correct way to write the molar
mass of iron oxide as a conversion factor?
159.7 g Fe, O
159.7 mol Fe, og
1 g Fe, og
159.7 mol Fe, O
159.7 g Fe,
1 mol Fe20
1 g Fe,
1 mol Fe,

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)