La afirmación “los electrones se mueven siempre en la misma dirección”, corresponde a corriente

Which of the following units is not an official si unit? mole liter kilogram ampere

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid