Cuántos mL de H2SO4 concentrado, densidad 1.84 g'mL con 98% de H2SO4 en peso, se necesitan para preparar: 1 L de disolución 1 N; b) 1 L
de disolución 15% peso c) 200 ml de disolución 0.500 M?​

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

In salt water solution,the salt is the blank