Realiza los siguientes ejercicios, para cada compuesto químico teniendo en cuenta su fórmula química, específica su composición indicando la clase de átomos que constituyen la molécula y el número de átomos por cada elemento en esta. Compuesto Molécula Composición Acido Clorhídrico HCl Alcohol etílico C2H6O Azúcar (Sacarosa) C12H22O11 Peróxido de Hidrogeno H2O2 Sulfato Ferroso FeSO4 Cloruro de Sodio (Sal) NaCl Bicarbonato de Sodio NaHCO3 Hidróxido de Magnesio Mg(OH)2 Óxido Nítrico N2O5 Acido Fosfórico H3PO4

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.

It will be b hydrogen

Silicon  6.0x10^23 is avogadro's number so the answer has to be 1 mole of whatever it is. since the molarity of silicon is equal to 28g/mol, this has to be the answer because 28g of si is 1 mole of si. 

Abronsted lowry acid by donating a proton