Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNN
  4. /
  5. Chemistry
  6. /
  7. 2007/2008
  8. /
  9. Q6
Question 6

25cm3 of 1.5M solution of NaCl are added to 50cm3 of 3M NaCl. The molar concentration of the resulting solution is

  • A.2.5M
  • B.3M
  • C.2.25M
  • D.4.5M
Objective

Question details

Exam body
UNN
Subject
Chemistry
Year
2007/2008
Question no.
#6
Type
Objective
Previous · Q5What is responsible for metallic bonding? Next · Q7 A solution of salt formed from HCl and NH 3 solutions is

More from this paper

  • Q2A mixture of CaCl 2 and CaCO 3 in water can be separated by
  • Q3Consider the reaction represented by xPb(NO 3 ) 2 ---> 2PbO + yNO 2 + zO 2 What…
  • Q420cm 3 of H 2 mixed and separated with 100cm 3 of air containing 21% O 2</sub…
  • Q8Which of the following elements will burn in excess oxygen to form a product…
  • Q9A current was passed for 10 mins and 0.2 mole of Cu was deposited. How many…
  • Q10Pollution of underground water by metal ions is very likely in a soil that has…
See all Chemistry 2007/2008 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy