A baker is decorating cupcakes using 3 cherries for every 1 cupcake. If the baker has 12 cherries and 5 cupcakes, what is the th
2 answers:
Answer: Option (C) is the correct answer.
Explanation:
Since there are only 12 cherries for decorating the cup cakes and each cupcake has 3 cherries. Therefore, 12 divided by 3 equals 4, this means that only four cupcakes can be decorated out of the five cupcakes.
Mathematically, = 4
Hence, we can conclude that the theoretical yield is four decorated cups.
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Answer:
850g/min
Explanation:
The reaction expression is given as:
P₄ + 5O₂ → P₄O₁₀
Given that:
Number of moles of product = 1.5moles
Time = 30s = 0.5min
Unknown:
The rate of the reaction = ?
Solution:
Convert the moles given to mass of the product.
So;
Mass of product = number of moles x molar mass
Molar mass of P₄O₁₀ = 4(31) + 10(16) = 284g/mol
Mass of product = 1.5moles x 284g/mol = 426g
So;
Reaction rate = =
= 850g/min