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The Okome
Questions (14)
if 25 cm^3 of a 0.1 M na2co3 solution neutralised a solution containing h2so4, in 250 cm^3 of solution.
calculate the molarity of
1 answer
497 views
a hammer head of mass 600g produces a force of 360N whe it strikes the head of a nail. explain how it is possible for the haner
1 answer
692 views
Can U Please Tell Me The Difference Between Parasitism And Predation.
1 answer
465 views
A hammer head of mass 600g produces a force of 360N when it strikes the head of a nail. Explain how it is possible for a hammer
1 answer
1,226 views
Two gases A & B haue densities of 0.09 g/cm^3 and 0.16 g/cm^3 respectively.
If they diffuse under the same conditions, determine
3 answers
841 views
calculate the minimum volume of hydrogen gar hn cubic centimetres required to convert 3.18 g of CuO to Cu at s.t.p.
(Cu=64, O=16,
1 answer
520 views
120 cm^3 of NH3 gas was prepared and collected at R.T.P. All the NH3 gas was reacted with H3PO4 according to the following
1 answer
591 views
Plz Show Me How It Come About
write an ionic equatio in the reaction betwee CaCO3 & HNO3
1 answer
436 views
15 cubic centimeter of (CH3COOH) was dissolved in water to make 500 cubic centimeter of solution. calculate the concentration of
2 answers
504 views
Calculate the mass of Pb(N03)2 required to make 500 cubic cm of 0.1M
solution(Pb=207, N=14, O=16)
1 answer
353 views
on complete combustion of one mole of a certain alkane , two moles of C02 and three moles of water was produced. determine the
2 answers
2,114 views
on complete combustion of one mole of a certain alkane , two moles of C02 and three moles of water was produced. determine the
1 answer
801 views
In an experiment 3.10g of carbon, hydrogen and oxygen produced 4.4g of C02 and 2.7g of water on complete combustion. Determine
3 answers
2,924 views
In an experiment 3.10g of a compound of carbon, hydrogen and oxygen produce 4.4g of C02 and 2.7g of water on complete
1 answer
1,151 views
