If you have 20.8 grams of zinc (Zn), how many moles of zinc do you have?

One mole of zinc will react with 2 moles of aqueous hydrogen chloride to form one mole of zinc chloride and one mole of hydrogen gas.Explanation: nmm m

If you have 20.8 grams of zinc, you would around 0.318 moles

Explanation:

1 mole of Zn is around 0.015295.

When you multiply 0.015295 and 20.8, you would get around 0.318 moles so:

1 mole Zn = 0.015295

20.8 × 0.015295 = 0.318

i look it up online and i'll tell you

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."