Inorganic Chemistry Answers

a titration of potassium hydrogen phthalate required 38.14 mL of NaOH solution to reach an end point detected by phenolphthalen indicator. find the concentration of naoh. weight of potassium and acid phthalate is 0.8215 g.

a titration of potassium hydrogen phthalate required 38.14 mL of NaOH solution to reach an end point detected by phenolphthalen indicator. Find the concentration of NaOH. Weight of potassium and phthalate is 08.215 g.

a titration of potassium hydrogen phthalate required 38.14 mL of NaOH solution to reach an end point detected by phenolphthalen indicator. find the concentration of naoh

A sample which is suspected to contain NaCl is titrated with 0.1020 N AgNO₃ standard solution. After using 4.5 mL of AgNO₃ the end point was observed by turbidity and appearance of the solution. Calculate the amount of NaCl in this sample.

what is the colour of flourine at room temperature

The pressure applied by a boy on a bicycle pump was 2 Pascal. If the volume was increased to 2/3 the initial volume. Calculate the final pressure.

how many atom does sodium have ?

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1.a) All Bronsted-Lowry acids are Lewis acids but not all Lewis acids are Bronsted-Lowry acids. Explain this statement in not more than two sentences.

b) Identify a base and its conjugate acid from this reaction. Explain your reason in one sentence.

HC2H3O2(aq) + H2O(l) <-->H3O+(aq) + C2H3O2-(aq)

2. 0.75 kg charcoal completely burns with a sufficient supply of air. Nothing other than CO2 is produced. How much N2 gas (in Kg) is expected in the outlet gas stream? Air composition (approx.) = 80% N2 and 20% O2 (mol basis only). 

3. A wild rabbit. Would this creature act as sink or a receptor? Explain within two sentences. Name one environmental pollutant that can affect this structure. 

WHAT IS THE PRINCIPLE OF THE SEM METHOD?

What physico-chemical quantity is monitored in impedance electrochemical spectroscopy?