3 years ago

If you had 14.5 moles of gold, how many atoms would you expect to have?

Chemistry

1 answer:

Tju [1.3M]3 years ago

6 0

Answer:

(14.5 mol) x (6.022 x 10^23 atoms/mol) = 8.73 × 10^24 atoms

Explanation:

pls mark brainliest

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A cup of sugar has a volume of 237 ml. What is the mass of the сup of sugar if the density is 1.59 g/mL?

iragen [17]

Answer:

$\boxed {\tt 376.83 \ grams}$

Explanation:

The density formula is

$d=\frac{m}{v}$

Rearrange the formula for mass, m, by multiplying both sides of the equation by v.

$d*v=\frac{m}{v}*v$

$d*v=m$

The mass can be found by multiplying density and volume.

The density of the sugar is 1.59 grams per milliliter. The volume is 237 milliliters.

$d= 1.59 \ g/mL \\v= 237 \ mL$

Substitute the values into the formula.

$m= 1.59 \ g/mL * 237 \ mL$

Multiply. Note that the milliliters, or mL will cancel each other out.

$m=1.59 \ g * 237$

$m=376.83 \ g$

The mass is 376.83 grams.

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