- 0.05 L needs to be added to the original 0.12 L solution in order to dilute it from 0.13 M to 0.23 M.
The dilution problem uses the equation :
The initial molarity (concentration) 0.13 M
The initial volume = 0.12 L
The desired molarity (concentration) = 0.23 M
The volume of the desired solution = ( 0.12 + x L )
Substituting values in above equation;
(0.13 M ) (0.12 L) = (0.23 M ) (0.12 L + x L)
0.0156 M L = 0.0276 M L + 0.23 x M L
- 0.012 M L = 0.23 x M L
x = - 0.05
Therefore, - 0.05 L needs to be added to the original 0.12 L solution in order to dilute it from 0.13 M to 0.23 M.
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when iron and oxygen the reactin form Fe2O3 balance equation for this is <span>4Fe + 3O2---> 2Fe2O3
9moles of O2 are needed to produce 6mol of Fe2O3 since the ratio of oxygen to iron(II)oxide is 3:2
hope its help</span>
Answer:
The picture is most likely showing fishing/ fishery. other industries that rely on accurate weather forecast are shrimping, aquaculture, and other ocean industries
Explanation:
Answer:
Therefore, the oxidation state of sulphur atoms in Na2S2O3 is −2 and +6.
Answer:
The molecular formula of the compound is .
Explanation:
Given empirical formula of the compound is .
Atomic mass of carbon = 12 u
Atomic mass of hydrogen = 1 u
Atomic mass of oxygen = 16 u
Empirical formula mass of compound =
Molecular mass of compound = 176 g/mol
Molecular formula = n Empirical formula
Molecular formula = 4
Molecular formula of the compound is