Amount of substance

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Question 33

The equation for the reaction between magnesium and hydrochloric acid is

\text{Mg} + 2\text{HCl} \rightarrow \text{MgCl}_2 + \text{H}_2

What is the minimum mass, in $mg\text{mg}$ , of magnesium ( $Ar=24.3A_{\text{r}} = 24.3$ ) needed to react with 75.0 cm³ of 1.20 mol dm^-3 hydrochloric acid?

$1.09$

$2.19$

$1.09 \times 10^3$

$2.19 \times 10^3$

Amount of substance

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Question 33

The equation for the reaction between magnesium and hydrochloric acid is

\text{Mg} + 2\text{HCl} \rightarrow \text{MgCl}_2 + \text{H}_2

What is the minimum mass, in $mg\text{mg}$ , of magnesium ( $Ar=24.3A_{\text{r}} = 24.3$ ) needed to react with 75.0 cm³ of 1.20 mol dm^-3 hydrochloric acid?

$1.09$

$2.19$

$1.09 \times 10^3$

$2.19 \times 10^3$

Amount of substance

Question 33

Amount of substance Questions

Amount of substance

Question 33

Amount of substance Questions