200 ml of 3 M AgNO3 and 300 ml of 2 M AgNO, are added to a solution containing 200 ml of 10 M
NaCl. The amount of NaCl left unprecipitated is
1) 46.8 g
2) 70.2 g
3) 33.4 g
4) 63.4 g​

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explanation:

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no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3