248g Ag₂S ----------- 216g of Ag
10g Ag₂S ------------ x
x = 10g*216g/248g ≈ 8,71g
Answer:

Explanation:
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In this case, according to the given chemical equation, it turns out possible for us to realize there is a 4:3 mole ratio of chromium(III) nitrate to lead(IV) nitrate, and therefore, we can calculate the moles of the former by applying the shown below stoichiometry setup:

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Answer:
C. Decomposition of potassium permanganate(Heating)
Explanation:
The equation of the reaction is given as;
2KMnO4 -> K2MnO4 + MnO2(s) + O2(g)
Reactant = 2KMnO4
Products = K2MnO4 + MnO2(s) + O2(g)
A. Oxygen turned in to carbon dioxide
Incorrect option - Oxygen is not the reactant
B. Sulphate and lithium boiled
Incorrect option - Sulphate and lithium are not part of this reaction
C. Decomposition of potassium permanganate(Heating)
Correct option - potassium permanganate decomposed to form K2MnO4 + MnO2(s) + O2(g)
D. None of the above
Incorrect option
The answer is in scientific notation 34^67 42’063 1220.
The correct form for scientific notation is a x 10^b. where a is a number or decimal such that the absolute value of a is greater than or equal to 1 and less than 10, or 1 ≤ |a|. < 10. b is the power of 10 required to make the scientific notation mathematically equivalent to the original number.
To write this number in scientific notation, you must first shift the number of decimal places from the original number by 4 places between 4 and 2. We're subtracting from the exponent because we're shifting the decimal four places to the right.
Learn more about scientific notation at
brainly.com/question/5756316
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