A student dissolves some solid NaNO3 in a beaker of water. Which are the solute and the solvent? Choose all answers that are cor
1 answer:
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2. CH₄ + 2O₂ → CO₂ + 2H₂O
3. Cu + 2AgNO₃ → Cu(NO₃)₂ + 2Ag
4. MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂
5. Pb(NO₃)₂ + 2NaCl → PbCl₂ + 2NaNO₃
1)
2)
CuSO_4+Cu_2Cl_2\neq>
Answer:
<h3>The answer is 1.02 g/cm³</h3>Explanation:
The density of a substance can be found by using the formula
From the question
mass of block = 25 g
volume = 24.5 cm³
The density of the block is
We have the final answer as
<h3>1.02 g/cm³</h3>Hope this helps you
Answer:
We have the final answer as
<h2>0.68 g/mL</h2>Explanation:
The density of a substance can be found by using the formula
From the question
mass = 40.8 g
volume = 60 mL
The density is
We have the final answer as
<h3>0.68 g/mL</h3>Hope this helps you