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3 years ago

1. Which number is more accurate if the correct number is 3.5. Is it 3.1, 3.3, 3.6, or 4.0?

Chemistry

2 answers:

natta225 [31]3 years ago

6 0

Seems to be 3.6 since it’s closer by 1, As for 4.0 it would be 5 more.

lesya [120]3 years ago

4 0

Answer:

3.6

Explanation:

3.6 is only 0.1 away from 3.5

I hope this helped and plz give brainliest!

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A specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-gpiece. How many kilograms of dietary fa

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Answer: 0.14 kg

Explanation:

Gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-g piece

That is 1 piece of candy weighs 22.7 g and contains 7.00 g of dietary fat

Converting the mass in pounds to kg

1 lb = 0.45 kg = 450 grams (1kg=1000g)

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Thus 30 pieces would contain = $\frac{7}{1}\times 20=140g$ of dietary fat

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3 years ago

How many molecules in 9.18 moles of C11H12O22

Setler [38]

Answer:

55.3 × 10²³ molecules

Explanation:

Given data:

Number of moles of C₁₁H₁₂O₂₂ = 9.18 mol

Number of molecules = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

For given data:

9.18 mol × 6.022 × 10²³ molecules /1 mol

55.3 × 10²³ molecules

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3 years ago