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MaRussiya [10]
3 years ago
7

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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