Download App

PART - 1 CH - 1 Some Basic Concepts of Chemistry — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryPART - 1 CH - 1 Some Basic Concepts of Chemistry1 Mark
Question
Calculate the molar mass :
$CO _2$
✓

Answer

Molar mass of $CO _2=$ mass of $C +2$ $\times$ mass of oxygen
$=12.01+2(16)=44.0$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from PART - 1 CH - 1 Some Basic Concepts of Chemistry→PART - 1 CH - 1 Some Basic Concepts of Chemistry — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

In which of the following substances will hydrogen bond be strongest?
HCl, H2O, Hl, H2S
→
Nitrogen present in nitrobenzene, azo compounds, 'N' present in ring cannot be estimated by _________.
→
Does the number of moles of reaction products increase, decrease or remain same when each of the following equilibria is subjected to a decrease in pressure by increasing the volume?
$\text{CaO}\text{ (S) + }\text{CO}_2\text{ (g)}\rightleftharpoons\text{CaCO}_3\text{ (S)}$
→
Why is energy of 1s electron lower than 2s electron?
→
What do you meant by carbocation?
→
State the nature of aqueous solution of $Na _2 CO _3$.
→
Neutron or proton of same wavelength, which will have more velocity?
→
The equilibrium constant expression for a gas reaction is,
$K _{ c }=\frac{\left[ NH _3\right]^4\left[ O _2\right]^5}{[ NO ]^4\left[ H _2 O \right]^6}$
Write the balanced chemical equation corresponding to this expression.
→
Give one example each of real and imaginary electrolytes.
→
Arrange the following in increasing order of their size: $Cl ^{-}, S ^{-2}, Ar ^{}, Ca ^{+2}, SC ^{+3}$.
→