Warning: preg_match_all(): Compilation failed: missing terminating ] for character class at offset 114 in /home/erudites/web/erudites.ng/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-post-variables.php on line 543

Warning: preg_match_all(): Compilation failed: missing terminating ] for character class at offset 114 in /home/erudites/web/erudites.ng/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-post-variables.php on line 543
Calculate The Solubility In Mol Dm-³ Of 40g Of CuSO4 Dissolved In 100g Of Water At 120°C. [Cu = 64, S = 32, O = 16] - Erudites Academy
Warning: preg_match_all(): Compilation failed: missing terminating ] for character class at offset 114 in /home/erudites/web/erudites.ng/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-post-variables.php on line 543

A. 4.00
B. 2.50
C. 0.40
D. 0.25

Correct Answer:

Option B – 2.50

Explanation

Solubility = number of moles of solution/vol of solution
100g of water = 100 cm³ = 0.1 dm³.

CuSO4 = 160g/mol

No of moles of CuSO4 in 40g = 40/160
= 0.25 mol.

Solubility = 0.25/0.1
= 2.5 moldm−³.

Copyright warnings! Do not copy.