Solid to gas sublimation
Gas to solid deposition
Liquid to gas Evaporation
Gas to liquid Condensation
Liquid to Solid Freezing
Solid to liquid Melting
Karst topography can cause drinking water to become more polluted
Answer:
<h2>6.75 g</h2>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volume
From the question we have
mass = 2.7 × 2.5
We have the final answer as
<h3>6.75 g</h3>
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Answer:
2. A
3.B
4.B
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Answer:
41 g
Explanation:
The equation of the reaction is;
Cr(NO3)3(aq)+Na3PO4(aq)=3NaNO3(s)+CrPO4(aq)
Number of moles of chromium nitrate = 37g/ 146.97 g/mol = 0.25 moles
1 mole of sodium phosphate reacts with 1 mole of chromium nitrate
x moles of sodium phosphate react as with 0.25 moles of chromium nitrate
x= 1 × 0.25/1
x= 0.25 moles
Mass of sodium phosphate = 0.25 moles × 163.94 g/mol
Mass of sodium phosphate = 41 g
