9. Magnesium reacts with hydrochloric acid according to th following equation:
Mg(s) + 2HCl(aq) MgCl (aq) + H2(g)
What mass of hydrogen will be obtained if 100 cm of
2.00 mol dm HCl are added to 4.86 g of magnesium?
A. 0.2 g
C. 0.8 g
B. 0.4 g
D. 2.0 g

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.

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?