0.5 moles of water contains how many molecules?
6.022 x 10²³ molecules
1.204 x 10²⁴ molecules
3.011 x 10²³ molecules
1.505 x 10²³ molecules
Related Questions
If 50.0 g of an impure sample of limestone (calcium carbonate) is heated, it decomposes to produce 14.0 g of calcium oxide and carbon dioxide. Determine the percentage of calcium carbonate in the limestone sample. (Atomic weight: )
28%
50%
56%
72%
Which of the following contains the largest number of water molecules?
100 g of water
18 g of ice
0.25 moles of water
100 ml of water vapor at STP
Which of the following contains the greatest number of helium atoms?
4 g of He
20 g of Ne
4 g of
28 g of
What is the minimum volume (in mL) of a 17.0% solution required to completely precipitate all chloride ions from 100 mL of a 5.8% NaCl solution?
100 mL
50 mL
200 mL
25 mL
The apparatus in which standard solution is prepared is known as :
Measuring flask
Round bottom flask
Burette
None of these
The number of Na atoms in 46 g ‘Na”
6.023{\mkern 1mu} {\mkern 1mu} imes {\mkern 1mu} {\mkern 1mu} {10^{23}}
2
1
12.046{\mkern 1mu} {\mkern 1mu} imes {\mkern 1mu} {\mkern 1mu} {10^{23}}
Which of these samples contains the fewest atoms?
10 g of Au
10 g of Fe
10 g of Al
10 g of C
In the Haber process, if 40 moles of ammonia are formed, the number of moles of hydrogen consumed is?
20
40
60
80
A 0.50 solution of reacts with excess of and solutions according to the equation, . Which of the following statements is true?
200 mL of the solution reacts with 0.10 mole .
100 mL of the solution reacts with 0.060 of .
0.5 litre of the solution produces 0.15 mole of
None of the above
Which has more molecules: 1 mole of glucose or 18 grams of water?
1 mole of glucose
18 grams of water
Both have the same number of molecules.
Cannot be determined without more information.
