The percentage of hydrogen present in Na...

The percentage of hydrogen present in NaOH is : (Relative Molecular Mass of NaOH = 40) (At. Wt. of H =1)

2.5

0.25

0.025

Text Solution

AI Generated Solution

Topper's Solved these Questions

PRACTICAL CHEMISTRY
ICSE|Exercise Questions from Previous ICSE Board Papers (2017) |2 Videos
SAMPLE PAPER 04
ICSE|Exercise QUESTIONS|40 Videos

Similar Questions

Explore conceptually related problems

Molecular mass of NaOH is

Calculate the percentage of nitrogen and oxygen in ammonium nitrate. [Relative molecular mass of ammonium nitrate is 80, H = 1, N = 14, O = 16).

Calculate percentage of hydrogen in water Given that the relative atomic masses in amu of H = 1, 0 = 16.

The number of moles present in 2 litre of 0.5 M NaOH is:

A compound on analysis gave the following percentage composition : Na= 14.31%, S = 9.97%, H = 6.22%, O = 69.50%. Calculate the molecular formula of the compound on the assumption that all the hydrogen in the compound is present in combination with oxygen as water of crystallisation. Molecular mass of the compound is 322. (At. wt. of Na = 23, S = 32, H = 1, O = 16)

A solution of phenol in chlorofom when treated with aqueous NaOH gives compound Pasa major product . The mass percentage of carbon in P is _______ ( to the nearest integer). (Atomic mass : C = 12 , H = 1, O = 16 )

A compound on analysis was found to contain the following composition : Na=14.31%,S=9.97%,O=69.50 %and H=6.22 % Calculate the molecular formula of the compound assuming that the whole of hydrogen in the compound is present as water of crystallisation. Molecular mass of the compound is 322.

A gaseous compound of nitrogen and hydrogen contains 12.5% hydrogen by mass. Find the molecular formula of the compound if its relative molecular mass is 37. [N = 14, H = 1]

Calculate the number of moles present in 160 gm of NaOH. [Atomic Mass : Na = 23, H = 1, O = 16]

The compound A has 26.7% C, 71.1% O and 2.2%H. if the relative molecular mass of A is 90, what is the molecular formula of A

ICSE-QUESTION PAPER 2022 TERM 1-MULTIPLE CHOICE QUESTIONS

Solid sodium chloride does not conduct electricity as:
Text Solution
|
Elements A and B have electronic configurations 8 and 13 respectively....
Text Solution
|
The percentage of hydrogen present in NaOH is : (Relative Molecular Ma...
Text Solution
|
A salt formed by incomplete neutralization of acid by a base :
Text Solution
|
The colour of the precipitate formed after the addition of a small amo...
Text Solution
|
Alkaline earth metals have the same:
Text Solution
|
Which of the following compounds neither dissociate not ionise in wate...
Text Solution
|
The table shows the electronic configuration of four elements. Wh...
Text Solution
|
Element with an atomic number 19 will:
Text Solution
|
Which of the following has two sets of lone pair of electrons in them ...
Text Solution
|
If the empirical mass of the formula PQ(2) is 10 and the Relative Mole...
Text Solution
|
Which of the following is a tribasic acid?
Text Solution
|
If a solution of an electrolyte mixture has calcium ions, cupric ions,...
Text Solution
|
Which of the following ions will readily discharge at the anode durin...
Text Solution
|
If the empirical formula of a compound of CH and its vapour density is...
Text Solution
|
Aqueous solution of Cupric chloride forms a deep blue solution on addi...
Text Solution
|
Which statement about conduction of electricity is correct?
Text Solution
|
If an element has low ionization potential, then it is likely to be a:
Text Solution
|
Which electron arrangement for the outer shell electrons in a covalent...
Text Solution
|
The products formed when an acid reacts with a base is :
Text Solution
|