Explain why the separation of mixtures into pure
When performing a chemical analysis then why the separation of mixtures into pure or relatively pure substances so important?
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A 1 m3 sample of air was found to contain 80 micro grams per m3 of sulfur dioxide. The temperature was 25oC and the pressures were 103.193 k Pa when the air sample was in use. Determine the sulfur dioxide concentration in parts per millio
In addition to the 90% confidence interval, also find the 95% confidence interval. Compare the margin of error of the two intervals.
A saturated solution of manganese (II) hydroxide is one in which the following equilibrium occurs: Mn(OH)2(s) ? Mn 2+(aq) + 2OH-(aq) Kc = 1.6 E-13. Find out the pH of this saturated solution?
He thought that knowing the probability of serving 12 customers per 15 minutes could be helpful to him in the decision making process.
Determine the "exact" alkalinity of water (in mg/L asCaCO3 ) that have the 0.6580 mg/L of bicarbonate, as the ion, at a pH of 5.66?
Oils and fats are also transformed commercially into the long-chain alcohols. Discuss the best and most direct reaction by which to complete this?
If two resistances connected in parallel have the combined resistance of 15.0 ohms and same two resistance have the combined resistance of 64 ohms when connected in series, determine resistances?
Explain why is soap not appropriate for laundry use with the hard water whereas, the synthetic detergent is suitable?
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Encourage children to explore, experiment and take risks through planning and providing learning environments and opportunities
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