Problem based on molarity
Choose the right answer from following. The molarity of a solution of Na2CO3 having 10.6g/500ml of solution is : (a) 0.2M (b)2M (c)20M (d) 0.02M
Help me to solve this problem. 4.0 gm of NaOH are contained in one decilitre of solution. Its molarity would be: (a) 4 M (b)2 M (c)1 M (d)1.5 M
Describe the number of electrons in the benzene? Write a short note on it?
The boiling point of a solution of 0.11 gm of a substance in 15 gm of ether was found to be 0.1oC higher than that of the pure ether. The molecular weight of the substance will be (Kb = 2.16) (a) 148 &nbs
The entropy due to the rotational motion of the molecules of a gas can be calculated. Linear molecules: as was pointed out, any rotating molecule has a set of allowed rotational energies. For a linear molecule the
6. 20 gm of hydrogen is present in 5 litre vessel. The molar concentration of hydrogen is
How many electrons are present in a benzene?
Explain how dissolving the Group IV carbonate precipitate with 6M CH3COOH, followed by the addition of extra acetic acid.
Drugs are broadly classified into following types depending on the purpose for which they are used. 1. Antipyretics
Whether HCl is a base or an acid? Briefly state your comments?
how haloalkane can be prepared by refluxing alcohol with hydrohalic acids
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