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Calculate the loss in mass

Heating 1.124g of an unknown NaHCO3-NaCl mixture resulted ina mass loss of 0.270g.1) Calculate the mass of NaHCO3 present in the
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2. asked by Macey
3. 2,804 views
500g of zinc carbonate was heated to constant mass.A.state what was observed? write an ionic equation that took place? calculate
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2. asked by Kirungi john
3. 526 views
Calculate the kinetic energy of a car of mass 1200kg moving at 1.8m/sThe car engine is Switched Off calculate the height the
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2. asked by Evans
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A ball of mass 0.9kg moving at 10m/s collide with another ball of equal mass at rest if after the impact the two balls move off
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2. asked by Odunayo
3. 217 views
A piece of copper ball of mass 20g at200 Is placed in a copper calorimeter of mass 60g containing 50g of water at 30 ignoring
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2. asked by Hammed barakat
3. 498 views
A tractor of mass 5*10^3kg is used to tow a car of mass 2.5*10^3kg.the tractor moves with a speed of 3.0m/s just before the
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2. asked by Odun
3. 284 views
Calculate the loss in mass if 20.2g of KNO3 crystals was completely decomposed(K=39,N=14,O=16
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2. asked by Deborah
3. 518 views
Two oxides of lead were separately reduced to metallic lead by heating in a current of hydrogen and the following data obtained
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2. asked by Akashdeep
3. 1,353 views
a locomotive of mass 15000kg traveling at 2.5m/s collides and couples with a set of rail carts of mass 7000kg.calculate:1.the
1. 2 answers
2. asked by shristi
3. 608 views
A sphere of mass 0.4kg moving on a smooth billiard table hit a stationary sphere of mass 0.8kg and was brought to rest.
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2. asked by observation
3. 544 views