Chemistry

Atoms and Atomic Structure

Molecular Mass

30 grams of glucose is equal to 0,166 moles of glucose.

If 17,4 is grams the number of moles is 0,084.

2.,7 moles of glucose have 486,432 g.

3,55 moles of glucose is equal to 639,568 g.

Molarity = moles of solute/Liters of solution So, we need moles of glucose. 4 grams C6H12O6 (1 mole C6H12O6/180.156 grams) = 0.02220 moles glucose --------------------------------------------------------------------------------------------------- Molarity = 0.02220 moles C6H12O6/1 Liter = 0.02 M glucose ----------------------

NH4Cl has a molar mass of 53.491 grams per mol. This means there is 2.11 moles of ammonium chloride present.

How many MOLES of sodium nitrate are present in 2.85 grams of this compound ?

first determine the number ofmoles dissolved in given solution then .5 moles moles dissolved in 800g. as comparison with 1000g of water, we know 100g of water dissolve only.1 moles of a glucose so we .7moles of glucose dissolve in 800g.

Molarity = moles of solute/Liters of solution Find moles glucose, which is molecular formula------C6H12O6 154 grams C6H12O6 (1 mole C6H12O6/180.156 grams) = 0.8548 moles C6H12O6 Molarity = 0.8548 moles C6H12O6/1 Liter = 0.855 M glucose ---------------------------

The number of moles in 27,50 grams CaCO3 is 0,275.

Because the formula for calculating moles is dividing grams by the molecular weight. The molecular weight for glucose is 180. grams to moles is also the same as milligrams to millimoles.

Calculate the number of moles in 0.135 grams of HNO3?

3.65 grams of water is equal to .203 moles of H2O. This means there is also .203 moles of H2 present, or .408 grams.

7,68 grams of calcium nitride is equal to 0,052 moles.

11 grams of silicon Si equals 0,39 moles.

500.0 grams H2O (1 mole H2O/18.016 grams) = 27.75 moles of water

# of moles = grams of substance / molar mass of substance molar mass of Barium =137.33 grams/mole #moles of Barium = 22.3 grams/ 137.33 grams/mole = 0.162382582 moles

For this you need the atomic (molecular) mass of CS2. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel. CS2=76.2 grams10.00 moles CS2 Ã— (76.2 grams) = 762 grams CS2

There are 1.0001 moles.

The number of grams in 4.56 moles of H2O2 would be 7.57. This is a math problem.

For this you need the atomic mass of Au. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel.355 grams Au / (197.0 grams) = 1.80 moles Au

0,135 grams of HNO3 is equal to 0,002 moles.

For this you need the atomic (molecular) mass of HNO3. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel. HNO3= 63.0 grams2.00 moles HNO3 Ã— (63.0 grams) = 126 grams HNO3

450 millimoles is 0.45 moles. The formula is no. moles is mass/molecular mass. The molecular weight of glucose is 180g/mol. Therefore 0.45 x 180 is 81 grams.

3,50 moles of glucose is equal to 630,56 g.

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