help me plzzzz!!!
this is my equation: CaO + H2SO4 CaSO4 + H20
Calculate the mass of CaSO4 that can be produced when 4.070 g of CaO react with excess sulfuric acid.

Question

help me plzzzz!!!
this is my equation: CaO + H2SO4 > CaSO4 + H20
Calculate the mass of CaSO4 that can be produced when 4.070 g of CaO react with excess sulfuric acid.

ebydaqueen19 · Answer

is this  a percent yield problem?

anonymous · Answer

$$Ca O+ H _{2}S O _{4}=Ca SO4+H _{2}$$
40+16  +......=40+32+4*16+....
56+...=136+...
56 gms .of CaO produce CaSO4=136 gms
1 gm. of CaO produce Ca S O4=136/56 gms.
4.070 gms. of CaO produce Ca SO4$$=\frac{ 136 }{ 56 }\times 4.070=?$$

ebydaqueen19 · Answer

9.884285714 thts what i got

ebydaqueen19 · Answer

i only need 2 significant figures right....since the 56 o0nly has 2

anonymous · Answer

i think it should be 9.884 up to three decimal places if your calculations are correct.

ebydaqueen19 · Answer

oh ok thnks

anonymous · Answer

yw