Answered

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How many grams are in 4.25 moles of NiS?

Sagot :

Answer:

386.75 grams

Explanation:

You can use dimensional analysis to help you solve for this question

1. set up a proportion

                          x grams

4.25 mol x        x mole

2. to find the amount of grams/mol that are in NiS we find the gram formula mass (mass of all the atomic masses of each element)

Ni- 59 grams

S- 32 grams

add these together and you get 91 g/mol

3. now plug in the values and multiply across

                    91 grams

4.25 mol x     1 mole

when you multiply across this is equal to 386.75 grams

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