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krok68 [10]
2 years ago
11

I'm super lost on beta, alpha, and gamma decay.

Chemistry
1 answer:
astra-53 [7]2 years ago
5 0

Answer:

then,

Explanation:

anong meron,hahahh

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What is the chemical compound?
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3 years ago
You weigh out 0.1183 g of a complex salt to analyze for the percentage of cyanide ion in your complex salt. After dissolving the
Stels [109]

Answer:

25.35%

Explanation:

Again let me restate the the equation of the reaction;

H2O (ℓ) + 2 MnO4 - (aq) + 3 CN- (aq) → 2 MnO2 (s) + 3 CNO- (aq) + 2 OH- (aq)

Amount of potassium permanganate  reacted = 10.2/1000 * 0.08035 = 8.1957 * 10^-4 moles

If 2 moles of MnO4 - reacts with 3 moles of CN-

8.1957 * 10^-4 moles of MnO4 - reacts with 8.1957 * 10^-4 * 3/2

= 1.229 * 10^-3 moles of CN-

Mass of CN- reacted = 1.229 * 10^-3 moles of CN- * 26.02 g/mol

= 0.03 g

Hence, percentage of the cyanide = 0.03 g/0.1183 g * 100

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3 years ago
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2 years ago
What is the pH of a Koh solution that has [H+]=1.87×10^-13M
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pH=12.72

I hope this helps.  Let me know if anything is unclear.
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