3 years ago

KCIO3(s) → KCl(s) + O2(g) in word equation

Chemistry

1 answer:

vodomira [7]3 years ago

4 0

What? I can’t understand

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Sample of 200mls of 0.5 sulphuric acid,was asked to produce 1.2M of the new solution.Calculate the volume of the new solution

uysha [10]

Answer: The volume of the new solution is 83.33 mL.

Explanation:

Given: $V_{1}$ = 200 mL, $M_{1}$ = 0.5 M

$V_{2}$ = ?, $M_{2}$ = 1.2 M

Formula used to calculate the volume of new solution is as follows.

$M_{1}V_{1} = M_{2}V_{2}$

Substitute the values into above formula as follows.

$M_{1}V_{1} = M_{2}V_{2}\\0.5 M \times 200 mL = 1.2 M \times V_{2}\\V_{2} = 83.33 mL$

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Juanita dissolves 46 g of MgBr2 (molar mass: 184.11 g/mol) in 0.5 kg of distilled water. What is the molality of the solution?

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