No products in the cart.

Calculate the mass of Urea required …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now

Calculate the mass of Urea required in making 2.5 kg of 0.25 molal aqueous solution

Posted by Jiya Chhabra 3 years, 10 months ago

CBSE > Class 12 > Chemistry

1 answers

Goldy Sharma 3 years, 10 months ago

Moles of urea = 0.25mole Mass of solvent (water) = 1 kg = 1000 g Molar mass of urea (NH 2 CONH 2 ) = 60 g mol 1. 0.25moleofurea=0.25mol×60gmol1=15g Totalmassofsolution=1000+15g=1015g=1.015kg Thus; 1.015 kg of solution contain urea = 15g×2.5kg of solution will require urea 1.015kg 15g ×2.5kg = 37 g

0Thank You

ANSWER

Related Questions

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Shivam Modanwal 4 months, 2 weeks ago

CBSE > Class 12 > Chemistry

0 answers

Identifying the Presence of Starch in an Organic Compounds maximum

Posted by Roshni Gupta 4 months, 4 weeks ago

CBSE > Class 12 > Chemistry

0 answers

2N205-4no2 +0² If a concentration of increase by 1.6×10²m Calculate rate of formation of NO2 Rate of formation of O2

Posted by Ritika Maurya 4 months, 2 weeks ago

CBSE > Class 12 > Chemistry

0 answers

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Neha 107 4 months, 2 weeks ago

CBSE > Class 12 > Chemistry

0 answers

Give reason. Boiling point of ethyl bromide 3higher than that of ethyl chloride?

Posted by Priya Dharshini B 4 months, 1 week ago

CBSE > Class 12 > Chemistry

4 answers

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Cinvi Patel 4 months, 2 weeks ago

CBSE > Class 12 > Chemistry