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6g of hydrogen gas is:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
How many atoms are present in one mole of water?
NETNUST Entry TestChemistryBasic Concepts of Chemistry
What are number of moles of oxygen atoms in 11g of $C0_{2}$ gas?
NETNUST Entry TestChemistryBasic Concepts of Chemistry
The number of moles of hydrogen atoms in 3.2 g of methane $CH_{4}$ (Relative atomic mass of H=1 , C=12):
NETNUST Entry TestChemistryBasic Concepts of Chemistry
One mole of carbon 12 has mass:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
The mass of one mole of electrons is:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
One mole of $SO_{2}$ contains
NETNUST Entry TestChemistryBasic Concepts of Chemistry
In case of $CCl_{4}$, HCl and $NH_{3}$ formulas both empirical and molecular formulas are:
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Molecular formula
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The formula which represents actual number of atoms of each element in a molecule is called:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
In combustion analysis, % of oxygen is calculated by subtracting other percentages from:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
In combustion analysis, % of carbon is calculated from:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
In combination analysis, % of hydrogen is calculated from:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Empirical formula for benzene is:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Empirical formula for glucose is:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
The formula mass of an ionic compound is called:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Simplest formula that gives us information about the simplest ratio of atoms in compound is called:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Isotopes due to difference in their masses are called
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Fractional atomic mass is due to number of possible isotopes and their natural:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Large number of isotopes are known for the elements whose masses are multiple of:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
More abundant isotope of an element is the one with:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
The properties of an element correspond to the properties of that isotopes which is most:
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Sn has:
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Mass spectrometer separates different positive isotopic ions of the basis of their
NETNUST Entry TestChemistryBasic Concepts of Chemistry
Isotopes have same position in:
NETNUST Entry TestChemistryBasic Concepts of Chemistry