The (w/w) % of aqueous solution of NaCl is 10. What is its (w/v) % ? (Density of solution is 2 g/mL)
(a) 20 (b) 50 (c) 30 (d) 80

Becquerel expected to find ( he developed the photographic plate that had sun-exposed minerals on top of it. becquerel expected to find ( he developed the photographic plate that had been in the closed drawer.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

Why does his teacher ask him to balance the equation by including the correct coefficient