How many moles are in 20 grams of mercury?

Last Answer : The molar mass (mass of 1 mole) of MgCl2 is 95.205 g/mol. To determine the mass of 1.5 mol MgCl2, multiply the moles by the molar mass.Molar mass MgCl2 = (1 x 24.305 g/mol Mg) + (2 x 35.45 ... mol MgCl21.5 mol MgCl2 x (95.205 g MgCl2)/(1 mol MgCl2) = 150 g MgCl2 (rounded to two significant figures)

How many moles of sulfur are in 53.7 grams of sulfur?

Description : How many moles of sulfur are in 53.7 grams of sulfur?

Last Answer : 53,7 grams of sulfur is equivalent to 1,675 moles.

How many grams of sodium are in three moles of sodium carbonate?

Description : How many grams of sodium are in three moles of sodium carbonate?

Last Answer : The mass of sodium is 138 g.

How many moles of CH4 are contained in 96.0 grams of CH4 ?

Description : How many moles of CH4 are contained in 96.0 grams of CH4 ?

Last Answer : The molecular mass will be 12 + (1x4) because carbon's Atomic Mass is 12 and hydrogen's atomic mass is 1. That gives you a molecular mass for methane of 16. 1 mole of methane will be 16g All you need to do now is divide your 96.0 g of methane by 16g and you will get the number of moles you want.

What is the molality of a salt solution prepared by dissolving two moles of salt in 500 grams of water?

Description : What is the molality of a salt solution prepared by dissolving two moles of salt in 500 grams of water?

Last Answer : ANSWER: 4

How many moles of carbon are in 48 grams of carbon w) 4 x) 3 y) 2 z) 1

Description : How many moles of carbon are in 48 grams of carbon w) 4 x) 3 y) 2 z) 1

Last Answer : ANSWER: W -- 4

Normality is defined as the number of: w) moles of solute per 1000 grams of solvent x) equivalent weights of solute per liter of solution y) kilograms of solute per liter of solution z) moles of solute per 1000 grams of solution

Description : Normality is defined as the number of: w) moles of solute per 1000 grams of solvent x) equivalent weights of solute per liter of solution y) kilograms of solute per liter of solution z) moles of solute per 1000 grams of solution

Last Answer : ANSWER: X -- EQUIVALENT WEIGHTS OF SOLUTE PER LITER OF SOLUTION

How many grams per cubic meter density of Mercury ?

Description : How many grams per cubic meter density of Mercury ?

Last Answer : The density of Mercury is the second highest among the densities of the solar system , 5.43 g / cm6; Which is slightly less than the earth.

One atom of an element x weigh `6.643 xx 10^(-23)` g. Number of moles of atom in 20 kg is :-

Description : One atom of an element x weigh `6.643 xx 10^(-23)` g. Number of moles of atom in 20 kg is :-

Last Answer : One atom of an element x weigh `6.643 xx 10^(-23)` g. Number of moles of atom in 20 kg is :- A. 4 B. 40 C. 100 D. 500

How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?

Description : How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?

Last Answer : The number of moles is 3,046.

If you have 1.20 and times 1024 atoms of copper how many moles of copper do you have?

Description : If you have 1.20 and times 1024 atoms of copper how many moles of copper do you have?

Last Answer : 1.20x10^24 atoms x 1 mole/6.02x10^23 atoms = 1.99 moles

How much energy does 20 grams of ghee produce in the body ?

Description : How much energy does 20 grams of ghee produce in the body ?

Last Answer : 20 grams of ghee produces 180 kcal of energy in the body.

20 dkg how many grams?

Description : The question is given. 20 dkg how many g? :)

Last Answer : Since 1 dkg is 10 g, 20 dkg is 200 g.

The mass of a liquid (in grams ) varies directly with its volume (in `cm^(3)`). A liquid would have a mass of 20 grams if its volume is 10 `cm^(3)`).

Description : The mass of a liquid (in grams ) varies directly with its volume (in `cm^(3)`). A liquid would have a mass of 20 grams if its volume is 10 `cm^(3)`).

Last Answer : The mass of a liquid (in grams ) varies directly with its volume (in `cm^(3)`). A liquid would have a ... in grams, if its volume is 8 ` cm^(3)`).

What is the strength (expressed as a percentage) of a 200 milliliter solution that contains 20 grams of dextrose?

Description : What is the strength (expressed as a percentage) of a 200 milliliter solution that contains 20 grams of dextrose?

Last Answer : The mass/mass percentage is 9.09 % (with the underlined digitsrepeating)

How would you make 100 grams of a saltwater solution that is 20 percent salt.?

Description : How would you make 100 grams of a saltwater solution that is 20 percent salt.?

Last Answer : Need answer

How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

Description : How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

Last Answer : The mass of copper is 240 g.Use the following formula:q = m x c x DeltaT,where:q is energy, m is mass, c is specific heat capacity, and DeltaT is the change in temperature.DeltaT = Tfinal-TinititalKnownq = 1200 ... = q/(c x DeltaT)m = 1200/(0.0923 x 55) = 240 g (rounded to two significant figures)

If serving size is 20 grams and fat is 5 grams how many grams in 4 servings?

Description : If serving size is 20 grams and fat is 5 grams how many grams in 4 servings?

Last Answer : What is the answer ?

How many grams of water vapor are required to saturate a kilogram of air at a temperature of -20 degrees Celsius?

Description : How many grams of water vapor are required to saturate a kilogram of air at a temperature of -20 degrees Celsius?

Last Answer : What is the answer ?

How many 20 cent pieces weigh 100 grams?

Description : How many 20 cent pieces weigh 100 grams?

Last Answer : 5x20=100

How many grams of fluorine are needed to react with 6.20 g of phosphorus?

Description : How many grams of fluorine are needed to react with 6.20 g of phosphorus?

Last Answer : Find number of moles of phosphorusmolar mass of phosphorus is 30.97g/moldivide mass by molar mass to get the moles of phosphorus please that your molar mass mast be multiplied by 4 because you have four ... /228g/mol so to find mass of fluorine we multiply moles times molar mass it gives us 1368g.

Daily output of urea in grams is (A) 10 to 20 (B) 15 to 25 (C) 20 to 30 (D) 35 to 45

Description : Daily output of urea in grams is (A) 10 to 20 (B) 15 to 25 (C) 20 to 30 (D) 35 to 45

Last Answer : Answer : C

The normal daily output of Urea through urine in grams: (A) 10 to 20 (B) 15 to 25 (C) 20 to 30 (D) 25 to 35

Description : The normal daily output of Urea through urine in grams: (A) 10 to 20 (B) 15 to 25 (C) 20 to 30 (D) 25 to 35

Last Answer : Answer : C

A shopkeeper declares that he sells rice at the cost price. However he uses a weight of 425 grams. Instead of 500 grams, what is his percentage of profit? a) a) 16 5/6 b) 15 c) c) 20 7/23 d) 25 e) None of these

Description : A shopkeeper declares that he sells rice at the cost price. However he uses a weight of 425 grams. Instead of 500 grams, what is his percentage of profit? a) a) 16 5/6 b) 15 c) c) 20 7/23 d) 25 e) None of these

Last Answer : % profit = Loss/Actual Weight x 100 = 500 – 425/500 × 100 = 75/500 x 100 = 15% Answer: b)

What will be the volume of CO2 at NTP obtained on heating 10 grams of (90% pure) limestone [Pb. CET 2001] (A) 22.4 litre (B) 2.016 litre (C) 2.24 litre (D) 20.16 litre

Description : What will be the volume of CO2 at NTP obtained on heating 10 grams of (90% pure) limestone [Pb. CET 2001] (A) 22.4 litre (B) 2.016 litre (C) 2.24 litre (D) 20.16 litre

Last Answer : (B) 2.016 litre

Ten calories of heat are added to 2 grams of water. The temperature of the water rises to a total of how many degrees? Is it: w) 2 degrees Celsius x) 5 degrees Celsius y) 10 degrees Celsius z) 20 degrees Celsius

Description : Ten calories of heat are added to 2 grams of water. The temperature of the water rises to a total of how many degrees? Is it: w) 2 degrees Celsius x) 5 degrees Celsius y) 10 degrees Celsius z) 20 degrees Celsius

Last Answer : ANSWER: X -- 5 DEGREES CELSIUS

The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is: w) 0.312 grams x) 0.625 grams y) 1.25 grams z) 2.50 grams

Description : The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is: w) 0.312 grams x) 0.625 grams y) 1.25 grams z) 2.50 grams

Last Answer : ANSWER: X -- 0.625 GRAMS

How many calories are required to raise the temperature of 20 grams of water from 40 degrees to 60 degrees? w) 40 cal x) 400 cal y) 20 cal z) 200 cal

Description : How many calories are required to raise the temperature of 20 grams of water from 40 degrees to 60 degrees? w) 40 cal x) 400 cal y) 20 cal z) 200 cal

Last Answer : ANSWER: X -- 400 cal

Which one of the following is largest? w) the number of molecules in 2 grams of hydrogen gas x) the number of molecules in 60 grams of lead sulfate y) the number of molecules in 20 liters of oxygen gas at standard temperature and pressure z) the population of the United States

Description : Which one of the following is largest? w) the number of molecules in 2 grams of hydrogen gas x) the number of molecules in 60 grams of lead sulfate y) the number of molecules in 20 liters of oxygen gas at standard temperature and pressure z) the population of the United States

Last Answer : ANSWER: A - THE NUMBER OF MOLECULES IN 2 GRAMS OF HYDROGEN GAS

What is the range of mercury thermometer? (1) 0 degree Celsius to 350 degree Celsius (2) -10 degree Celsius to 350 degree Celsius (3) -20 degree Celsius to 350 degree Celsius (4) -30 degree Celsius to 350 degree Celsius

Description : What is the range of mercury thermometer? (1) 0 degree Celsius to 350 degree Celsius (2) -10 degree Celsius to 350 degree Celsius (3) -20 degree Celsius to 350 degree Celsius (4) -30 degree Celsius to 350 degree Celsius

Last Answer : (4) -30 degree Celsius to 350 degree Celsius

How many moles are in 20 grams of mercury?

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