Question

Which of the following solutions have the same number of hydrogen ions as in 50cm³ of 0.1 mol dm-³ sulphuric acid?

i.100 cm³ of 0.1 mol dm-³ hydrochloric acid
ii.50 cm³ of 0.2 mol dm-³ nitric acid
iii.100 cm³ of 0.2 mol dm-³ sulphuric acid
iv.50 cm³ of 0.1 mol dm-³phosphoric acid

A.i,ii
B.i,iii
C.iii,iv
D.i,ii,iii

Answer 1

Answer:

A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite. On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater.

Explanation:

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