How many moles of raindrops are in the Pacific Ocean Round your answer to 2 substantial digits?

Answer Expert Verified The correct number of substantial digits is 2, because 50. mg has 2 signficant digits, so the answer need to be presented as 3.0 * 10^ 19 kg. Which rounded to two substantial digits is 24 moles of rain drops.

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What is the mass of 1 mole of oxygen atoms?

15.998 grams

What is the mass of 1 mole of viruses?

5.4×109 g

What is the mass of 1 mole of bricks?

2.4 x 1027 g

How many type of moles of copper atoms have a mass equal to the mass of a penny?

Because a penny is created of 97.50% zinc and 2.50% copper, it therefore includes 2.4375 grams of zinc and also 0.0625 grams of copper. At a molar mass of 65.380 grams per mole for zinc and also 63.546 grams per mole for copper, a penny therefore consists of 0.037282 moles of zinc and 0.moles of copper.

How many type of moles of aluminum atoms have a mass equal to the mass of a tiny airplane?

185000 moles

What is the mole variety of oxygen?

One mole of atoms of oxygen has actually a mass of 16 g, as 16 is the atomic weight of oxygen, and contains 6.02 X 1023 atoms of oxygen.

How many kind of atoms are in a mole of oxygen?

One mole of oxygen atoms contains 6./b>×1023 oxygen atoms.

How many atoms are in a mole?

While the mass of 1 mole of a certain …” Correct. While the mass of 1 mole of a details substance will vary, 1 mole of ANY substance will ALWAYS have actually approximately 6.atoms (rounded to 3 significant figures).

What is a 1 mole?

The mole (symbol: mol) is the unit of measurement for amount of substance in the Internationwide System of Units (SI). It is identified as precisely 6.sup>23 particles, which might be atoms, molecules, ions, or electrons.

What is Mole on humale body?

Moles are a prevalent form of skin expansion. They often show up as tiny, dark brown spots and also are caused by clusters of pigmented cells. Moles generally appear in the time of childhood and adolescence. Most civilization have 10 to 40 moles, some of which might readjust in appearance or fade away over time.

What is the mole formula?

Avogadro’s number is a very vital relationship to remember: 1 mole = 6.022×1023 6.022 × 10 23 atoms, molecules, proloads, etc. To transform from moles to atoms, multiply the molar amount by Avogadro’s number. To convert from atoms to moles, divide the atom amount by Avogadro’s number (or multiply by its reciprocal).

How did Avogadro discover the mole?

The term “Avogadro’s number” was first offered by French physicist Jean Baptiste Perrin. If you divide the charge on a mole of electrons by the charge on a single electron you obtain a value of Avogadro’s number of 6.x 1023 pposts per mole.

Why is mole principle important?

Significance of Mole: atoms and molecules are incredibly little and the mole concept permits us to count atoms and also molecules by weighing macroscopic amounts of product.

How many type of grams is a mol?

114.818 grams

How many type of moles are in 20 grams?

5.00 moles

How do you transform moles to mass in grams?

In order to convert the moles of a substance to grams, you will certainly must multiply the mole worth of the substance by its molar mass.

How do you find just how many type of grams are in a mole?

Divide the mass of the substance in grams by its molecular weight. This will offer you the number of moles of that substance that are in the mentioned mass. For 12 g of water, (25 g)/(18.015 g/mol) = 0.666 moles.

How perform I calculate grams?

How to Calculate Grams & Milligrams

Write, or enter right into your calculator, the number of g which you want to convert to mg.Multiply the variety of g by 1,000. Example: 2.25 g X 1,000 = 2,250 mg.Reverse the process to convert mg to g. Divide the variety of milligrams by 1,000. Example: 1,250 mg split by 1,000 = 1.25 g.

How many moles are in 12.0 grams of O2?

The answer is 31.9988. We assume you are converting in between grams O2 and mole. You can watch more details on each measurement unit: molecular weight of O2 or mol The SI base unit for amount of substance is the mole. 1 grams O2 is equal to 0. mole.

How many kind of moles are in 100 grams of gold?

If you look at the table, gold has actually an atomic weight of 196.967 g/mol. 100g split by 196.967g/mol gives you . 507699 mol. We all remember Avogadro’s variety of 6.023x atoms/mol.

How many moles are in 100 grams of carbon?

The answer is 12.0107.

How many type of atoms are in 2 moles of gold?

We know we have 2 moles of Au, so multiply 6.02 x 2. Answer is 12.04 x 10^23 atoms of Au.

How many atoms of gold are in 1g of gold?

30.573 Billion-Billion Atoms

How many kind of atoms are in 5g of gold?

of atoms = offered mass/molar mass x no. Of atoms = 5/197 x 6.022 x 10^23 = 0.25 x 6.022 x 10^23 = 1.5 x10^23 atoms.

How many kind of atoms are in pure gold?

1 Answer. 0.650 g Au contain 1.99×1021atoms .

How many type of gold atoms are in a 1 kg gold bar?

Therefore, 1 kg of a gold bar has actually 3.057 × 10^24 atoms of gold.

See more: Why Is Lead 206 A Stable Isotope Of Lead, Radioactive Series

How many kind of atoms are in a kilogram?

Alteraboriginal Recipe for the Kilogram That number is equal to around 6.022 x 1023 carbon-12 atoms. This amount constitutes one mole.