Caffiene has a molecular mass of 194. If...

Caffiene has a molecular mass of `194`. If it contains `28.9%` by mass of nitrogen, number of atoms of nitrogen in one molecule of caffeine is :

Topper's Solved these Questions

STOICHIOMETRY
NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|28 Videos
STOICHIOMETRY
NARENDRA AWASTHI|Exercise Level 1 (Q.31 To Q.60)|28 Videos
SOLID STATE
NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos
THERMODYNAMICS
NARENDRA AWASTHI|Exercise Level 3 - Match The Column|2 Videos

Similar Questions

Explore conceptually related problems

An alkaloid contains 17.28% of nitrogen and its molecular mass is 162. The number of nitrogen atoms present in one molecule of the alkaloid is

7g of nitrogen contains the same number of molecules as

Assuming that air at STP contained 80% by volume of nitrogen, the volumeof air at STP that contains 4.8xx10^(23) molecules of notrogen is

An oxide of nitrogen has a molecular weight of 30. Total number of electrons in one molecule of the compound is

48 g of Mg contains the same number of atoms as 160 g of another element . The atomic mass of the element is

Number average molecular mass of a polymer that contains 15 molecules with each of mass, 8,000 and 15 molecules with each of mas 80,000 is

NARENDRA AWASTHI-STOICHIOMETRY-Level 3 - Subjective Problems

Caffiene has a molecular mass of 194. If it contains 28.9% by mass of ...
Text Solution
|
What volume of a liquid (in L) will contain 10 mole ? If molar mass of...
Text Solution
|
16 g of SO(x) gas occupies 5.6 L at 1 atm and 273 K.What will be the v...
Text Solution
|
200 mL of 1M HCl, is mixed with 300 mL of 6 M and the final solution i...
Text Solution
|
N(2)(g) reacts with H(2)(g) in either of the following ways depending ...
Text Solution
|
One commercial system removes SO(2) emission from smoke at 95(@)C by t...
Text Solution
|
W is the mass of iron (in g) which will be converted into Fe(3)O(4) by...
Text Solution
|
Calculate the total moles of atoms of each element present in 122.5 g ...
Text Solution
|
On dissolving 2.0 g of metal in sulphuric acid ,4.51 g of the metal su...
Text Solution
|
One gram of a metallic chloride was found to contain 0.835 g of chlori...
Text Solution
|
0.7875 g of crystalline barium hydroxide is dissolved in water .For th...
Text Solution
|
2.0 g of polybasic organic acid (Molecular mass =600) required 100 mL ...
Text Solution
|
A mixture contains 1.0 mole each of NaOH,Na(2)CO(3) and NaHCO(3). When...
Text Solution
|
When BrO(3)^(-) ion reacts with Br^(-) ion in acidic medium, Br(2) is ...
Text Solution
|
A volume of 12.5 mL of 0.05 M SeO(2) reacts with 25 mL of 0.1 M CrSO(4...
Text Solution
|
A 0.276 g impure sample of copper ore is dissolved and Cu^(2+) is titr...
Text Solution
|
A sample of 28 mL of H(2) O(2) (aq) solution required 10 mL of 0.1 M K...
Text Solution
|
For the redox reaction given, what is the value of (x)/(z) ? xNO(3)^...
Text Solution
|
On heating 0.220 g of a metallic oxide in presence of hydrogen,0.045 g...
Text Solution
|
10 g mixture of K(2)Cr(2)O(7) and KMnO(4) was treated with excess of K...
Text Solution
|
In an ore, the only oxidizable material is Sn^(2+). This ore is titrat...
Text Solution
|