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Calculate number of molecules of 23 g of Na.

Posted by Âťťíťůđē Bøý 4 years ago

CBSE > Class 09 > Science

3 answers

Âťťíťůđē Bøý 4 years ago

Thank u

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Chandana Gupta 4 years ago

As we know n=w/m & n=N/N⁰(N⁰=Avogadro No.=6.022×10²³) So, w/m=N/N⁰ w=given weight=23g m=molecular mass(here, for Na)=23g N=no. of particles=? So, 23/23=N/6.022×10²³ 1=N/6.022×10²³ 6.022×10²³=N So, the answer is 6.022×10²³ molecules.

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Âťťíťůđē Bøý 4 years ago

Please answer do

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Use app Login Question AD is the diameter of a circle of radius 6 cm and AB=BC=CD. Semi-circles are drawn with AB and BD as diameters as shown in the figure. Find the perimeter and area of the shaded region.

Posted by Sp Sriwastwa 4 years ago

CBSE > Class 09 > Mathematics

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AD is the diameter of a circle of radius 6 cm and AB=BC=CD. Semi-circles are drawn with AB and BD as diameters as shown in the figure. Find the perimeter and area of the shaded region.

Posted by Sp Sriwastwa 4 years ago

CBSE > Class 09 > Mathematics

2 answers

Xoxo .. 4 years ago

True ?

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Sp Sriwastwa 4 years ago

One who send the answer should meet to PM

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What is the summary of little girl

Posted by Tulika Kamra 4 years ago

CBSE > Class 09 > English Lang & Lit. (184)

0 answers

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What are the different ways to cut and paste a slide

Posted by Pari Singh Solanki 4 years ago

CBSE > Class 09 > Information Technology (402)

0 answers

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Why is India called the land of great personalities?

Posted by Neha Kanchan 4 years ago

CBSE > Class 09 > English Lang & Lit. (184)

0 answers

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ICT stands for

Posted by Janvi Grover 17302 4 years ago

CBSE > Class 09 > Information Technology (402)

2 answers

Kuldeep Kaur 4 years ago

ICT stand for Information and communication technology

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Shubhi Verma 4 years ago

Information and communication technology

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What is the difference between vidhan sabha and vidhan Parishad

Posted by Parth Sharma 4 years ago

CBSE > Class 09 > Social Science

1 answers

Ananya Singh 4 years ago

I don't know

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Send some important questions of term 2

Posted by Simar Kaur 4 years ago

CBSE > Class 09 > Social Science

1 answers

Kartik Sen 4 years ago

What is reserved Constituencies

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Hi....kiske pass math ka 2nd term ka paper hai?. Jo exam me ane vala hai...kiski exam pehele ho gayi ho to...plz batavv

Posted by Xoxo .. 4 years ago

CBSE > Class 09 > Science

4 answers

Xoxo .. 4 years ago

Kaal hai exam...

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Harshkumar Jain 4 years ago

Agar hojaye to bhejna

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Xoxo .. 4 years ago

Vo to mere paas bhi hai..same tomarow maths hai..koi paper de do ...!!

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K_Hushii 🍁 4 years ago

Mera exam kl h maths ka vese theoram, examples bhaut important h !

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A program in c to accept the principal amount rate of interest and time as input and display the simple interest

Posted by Afjal Hussain 4 years ago

CBSE > Class 09 > Computer Applications (165)

1 answers

Kumar Deepak 4 years ago

Windows

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Calculate the number of gram - atoms of oxygen

Posted by Lakshita Malik 4 years ago

CBSE > Class 09 > Science

0 answers

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What is the use of chart?

Posted by Ranveer Mishra 4 years ago

CBSE > Class 09 > Information Technology (402)

2 answers

Sadiqua Siddiqui 4 years ago

In Excel, a chart is a pictorial representation of data i.e. it allows us to illustrate the data graphically.A chart displays series of numeric data in a graphical format by using elements such as columns or lines.

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Trishna Mohanty 4 years ago

It makes easy to draw comparisons, see growth and relationship among the values, and trends in data. It provides an accurate analysis of information.

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PLS EXPLAIN FACTORIZATION OF POLYNOMIALS

Posted by Sanan Sharma 4 years ago

CBSE > Class 09 > Mathematics