how many carbon atoms are in 10.0 mg of melatonin?

Q: What will be the number of moles in 1000 g of CaCO3?

A: The number of moles of a compound can be calculated by the division of the mass of the compound with…

Q: What is the molar mass of dexamethasone ?

A:

Q: How many grams are in 0.149 moles of chloroform?

A: Given :- number of moles of chloroform (CHCl3) = 0.149 mol  To calculate :- mass (in g)    number of…

Q: What mass (in grams) of vitamin C (C6H8O6) that contains 1.076 grams of carbons? Use mass percent

A:

Q: How many grams are in 0.30 mole of allyl sulfide?

A: NOTE : It should be diallyl sulfide which can be written as allyl sulfide as it will have 2 allyl…

Q: Find the number of Carbon Atoms in of 36.0g of C2H4O ?

A: We have to calculate the number of carbon atoms .

Q: how many hydrogen atoms are in 100 mg of serotonin

A: Given that:  Mass of serotonin = 100mg = 100mg×1g/1000mg = 0.100g  Molecular formula of serotonin =…

Q: Calculate the number of moles in a)2.25 g of KBr b) 60 mg of MgNH4PO4.

A: Calculate the number of moles in ---//

Q: A patient is having an allergic reaction and takes a 50.0 mg tablet of the over the counter…

A: The number of moles links the given mass and number of molecules.here moles=given massmolar…

Q: How many mole and mmole of Na2CO3 are found in 0.1 g?

A: Mole: It can be defined as the number of chemical units equal to the number of carbon atoms in 12.01…

Q: 14. How many moles are in 1.3 grams of KCI?

A: Given info,molar mass of KCl  =mass of K +mass of Cl                              =39.0+35.5g/mol…

Q: If we are expecting about 48 g of citric acid per L of lemon juice, how many moles of citric acid…

A: Given that we expect 48 g of citric acid per L of lemon juice. We have to determine the moles of…

Q: how many sodium Ions are present in 15.3g of Sodium Phosphate (Na3PO4)?

A: Given that: Mass of  Sodium Phosphate (Na3PO4) = 15.3 g To find: the number of sodium Ions?

Q: How many molecules of C2H4 are in 15.0 g of this compound?

A: The molecular formula of compound is C2H4. The amount of compound is 15.0 g.

Q: How many moles are contained in 0.210 potassium hydroxide?

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: In a 250 mL can of red bull, there are 80.0 mg of caffeine, how many moles of caffeine is that?

A: Volume of a red bull can = 250 ml  Mass of caffeine = 80.0 mg  Number of moles of caffeine = ?

Q: How many moles are in 12.1 grams of acetic acid (CH3COOH)

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Q: How many moles of hydrogen are in 3.06x10^-3g of glycine

A:

Q: If a box of cereal contains 50.0 mg of potassium, how many moles of K are present in the box of…

A:

Q: How many molecules of NaHCO3 are present in 983.2 moles of NaHCO3v?

A: Here, we have to find the number of molecules of NaHCO3 that are present in 983.2 moles of NaHCO3.

Q: 4. How many moles of Vitamin E ( the formula is written down) are present in 10.0 g of Vitamin E?

A:

Q: If there are 7.20 moles of H, how many moles of each of the compounds are present? H, SO, mol C,H,O,…

A: Given: The number of moles of H (hydrogen) is 7.20 moles

Q: How many moles of C9H8O4C9H8O4 are in a 0.700 gg tablet of aspirin?

A:

Q: How many grams is one mole of sodium hydroxide NaOH

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: moles

A:

Q: A patient is having an allergic reaction and takes a 50.0 mg tablet of the over-the-counter…

A:

Q: Find the number of molecules in 36.0g of C2H4O ?

A: We have to calculate the number of molecules in given amount of compounds.

Q: What is 5 moles of salt + 3 moles of sugar ?

A:

Q: How many moles are in 4.5 moles of CCl4

A: Number of moles of CCl4 = 4.5 mole

Q: How many moles are in 450 grams of nickel nitrate

A: Given: Mass of nickel nitrate=450 g The molar mass of nickel nitrate=182.7032 g/mol

Q: A cereal contains 11.0 grams of sucrose (C12H22O) per 60.0 grams of cereal. What mass in grams of…

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Q: How many grams of C are in 34.50 mg of sodium carbonate (Na2CO3)?

A:

Q: How many moles of hydrogen atoms are contained in 0.50 mol of ethyl ether?

A:

Q: Ascorbic acid (C₆H₈O₆) is also known as Vitamin C. What quantity in molecules of C₆H₈O₆ does a…

A: To find molecules of vitamin C, first convert mass in grams then divide it by molar mass to get its…

Q: moles

A:

Q: How many moles are in 2.5 grams of water

A: Given,                mass of water (H2O) = 2.5 grams.          Molar mass of H2O = 18.02 g/mol.

Q: How many molecules are present in 52 mg of glucose (C6H12O6)?

A:

Q: Calculate how many molecules of morphine are in 100.0mg.

A: Since 1 g = 1000 mg  Hence mass in g = mass in mg / 1000  => Mass of morphine in g = 100 / 1000 =…

Q: If a can of diet soda contains 0.185 28.1 how many N, O, C, and H atoms are present in this amount

A:

Q: How many grams of ethanol , CH3CH2OH , are in 0.60 moles of ethanol?

A: Condensed formula for CH3CH2OH is C2H6O Molar mass of ethanol (C2H6O) = Atomic mass of C x 2 + H x 6…

Q: ow many moles of CO2 are present in 220 mg?

A: Weight of given sample of CO2 is 220 mg.                                         220 mg=220×10-3 g

Q: How many moleculesof allicin are in 5.00 mg of this substance?

A: Given information: Mass of allicin = 5.00 mg

Q: compound

A: Molar mass of Fe2O3 = 2 • ( molar atomic mass of Fe ) + 3 • ( molar atomic mass of Oxygen atom )…

Q: How many glucose molecules are in 5.23 g of C6H12O6?

A: How many glucose molecules are in 5.23 g of C6H12O6?

Q: How many moles are in 255 grams of sodium phosphate

A: Number of moles is calculated as, Number of moles = Mass in gramMolar mass

Q: Bottle Moles of Acetic Acid Moles Sodium Bicarbonate 8.3 x 10-3 moles 2 8.3 x 103 moles 3 8.3 x 103…

A: Sodium bicarbonate,

Q: How many molecules are present in 300g of benzaldehyde

A:

Q: If a box of cereal contains 990. mg of potassium, how many moles of K are present in the box of…

A: Given, 990. mg of potassium