3 years ago

Which velchie has the greatest acceleration as its enter the highway?

Chemistry

2 answers:

Eva8 [605]3 years ago

4 0

B because it is the lightest there for it should speed up faster

Aloiza [94]3 years ago

3 0

B I think I hope this helps

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4 years ago

If you wanted to make 0.800 Liters of a 0.531 M solution of Nickel(II) chloride, NiCl2, how many grams of NiCIZ

kotegsom [21]

Answer:

54.8g

Explanation:

1. Calculate the number of moles of NiCl₂

a) Identify the known variables

V =0.800 liters
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b) Formula

$M=\dfrac{n}{V}$

c) Clear n

$n=M\times V$

g) Substitute and compute

$n=0.531M/times 0.800liters=0.4248mol$

2. Convert moles to grams

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129g/mol (shown in the problem)

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Use the factors in order to cancel the units to obtain grams

$0.4248mol\times 129\dfrac{g}{mol}=54.7992g$

Note that the mol unit appears on the numerator and denominator, so it cancels leaving just g (grams).

c) Round to 3 signficant figures

$54.8g$

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