3 years ago

What was the old percentages of copper to zinc before 1983?

1 answer:

3 0

Answer:

95% Copper and 5% Zinc

Explanation:

Easy stuff read in the chemistry book...

You might be interested in

klemol [59]

The soulustion. turn cloudy due to the precipitation of Sulphur.

4 0

3 years ago

lys-0071 [83]

Answer:

Total mass of the reactant = 2+2.5 =4.5 mg

Total mass of product = 4.15 mg

therefore, mass of unreacted oxygen = 4.50-4.15 = 0.35 g

7 0

3 years ago

Nesterboy [21]

Answer:

2Hgo —>2Hg + O2

Explanation:

6 0

2 years ago

xeze [42]

Answer:0.1677M

Explanation:

Molarity=moles/volume

Number of moles =mass/molar mass

Once you get the number of moles, you apply it to the molarity formula.

8 0

3 years ago

AURORKA [14]

Answer:

exp:

two ways of activities performed by a veterinarian is:

performing surgery and checkups.

8 0

3 years ago