3 years ago

How many formula units are in 0.96 moles of H2O

Chemistry

1 answer:

never [62]3 years ago

6 0

Answer:

18.02 amu

Explanation:

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What is the total mass of three gold bars that weigh 5543 mg, 23.45 mg, and 697.4 mg?

GrogVix [38]

The total mass is the sum of the masses.
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5543 + 23.45 + 697.4 mg = 6263.85 mg

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3 years ago

Sulfur reacts with oxygen and creates two compounds. Compound A contains 1.34 g of sulfur for every 0.86 g of oxygen. Compound B

spayn [35]

Answer:

The mass ratio of oxygen rounded to the nearest whole no. 3 : 2

Explanation:

According to Law of Multiple proportion when two elements combine to make two or more different compounds, the mass ratio of the two element in the first compound, when divided by the mass ratio of the second compound , form a simple whole number ratio.

Compound A contains 1.34 g of sulfur for every 0.86 g of oxygen

$\frac{1.34}{0.86}= 1.5$

Compound B contains 11.63 g of sulfur for every 10.49 g of oxygen

$\frac{11.643}{10.49}= 1.0$

Ratio of oxygen in each compound

always put the larger number over the smaller number.

$\frac{CompoundA}{Compound B}=\frac{1.5}{1.0}=\frac{3}{2}$

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3 years ago

What occurs when a magnesium atom becomes a magnesium ion?

IgorLugansk [536]

The atom then has more protons than electrons and so it will be positively charged, a positive ion. Example: A magnesium atom may lose two electrons and become a Mg2+ ion. Non-metal atoms may gain electrons and become negatively charged. ... (It loses two electrons.)

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2 Which is NOT a function of the skeletal system? A. It gives support to your body. B. It protects your internal organs. C. Bone

timofeeve [1]

Answer:

C. Bones carry impulses to the nervous system.

Explanation:

hop this helps

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2 years ago

What is an organ that absorbs water and vitamin K from digested food

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The Large intestine absorbs water and vitamin K from digested food.

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