3 years ago

When metals react with acid, bubbles of what gas are produced?

2 answers:

8 0

Acids react with most metals and, when they do, a salt is produced. But unlike the reaction between acids and bases, we do not get water. Instead we get hydrogen gas.

elena-14-01-66 [18.8K]3 years ago

5 0

Answer:

hydrogen is the answer

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16. A solution is made by dissolving 25 g of NaCl in enough water to make 1.0 L of solution. Assume the density of the solution

nata0808 [166]

Answer:

The molarity will be "0.43 M" and molality will be "0.43 m".

Explanation:

Given that:

mass of NaCl,

= 25 g

Volume of solution,

= 1 L

Density of solution,

= 1 gm/cm³

Now,

The weight of solvent will be:

= $Volume\times density$

= $1\times 1$

= $1 \ kg$

The mole of NaCl will be:

= $\frac{mass}{Molar \ mass}$

= $\frac{25}{58.44}$

= $0.43$

hence,

The molarity will be:

= $\frac{number \ of \ mole}{Volume \ of \ solution}$

= $\frac{0.43}{1}$

= $0.43 \ M$

The molality will be:

= $\frac{mole \ of \ solute}{Weight \ of \ solvent}$

= $\frac{0.43}{1}$

= $0.43 \ m$

4 0

3 years ago

When metals react with acid, bubbles of what gas are produced?​

When metals react with acid, bubbles of what gas are produced?