Question

ПОМОГИТЕ РЕШИТЬ маленькую задачу по ХИМИИ !!! СРОЧНО! ПОЖАЛУЙСТА! ( 40б)- за лучший ответ ------------------------------ Дано: m(Fe)=28г +HCl-? 2HCl+2Fe=2FeCl+H2 ------------------------------- m(H2)?

Answer 1

Fe + 2HCl= FeCl2  +  H2
найти массу водорода
28*2/56=1г Н2

Answer 2

Task:

The task is to determine the mass of hydrogen gas (H2) produced in the reaction between iron (Fe) and hydrochloric acid (HCl), given that the mass of iron is 28 grams and the balanced chemical equation for the reaction is:

2HCl + 2Fe -> 2FeCl + H2

Solution:

To solve this problem, we need to use the concept of stoichiometry, which relates the amounts of reactants and products in a chemical reaction.

The balanced chemical equation tells us that 2 moles of hydrochloric acid (HCl) react with 2 moles of iron (Fe) to produce 1 mole of hydrogen gas (H2).

To find the