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nata0808 [166]
3 years ago
8

Mass in mg salt sugar chalk sand water

Chemistry
1 answer:
STALIN [3.7K]3 years ago
6 0
Its 470mg k dude or dudette
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Research Hypatia's achievements in the world
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See explanation

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How many moles of K+ and PO4^3- ions are present in 20.0 mL of a 0.015 M solution of potassium phosphate?
Romashka-Z-Leto [24]

Answer:

n_{K^+}=0.0009molK^+

Explanation:

Hello,

In this case, the first step is to compute the number of moles of potassium phosphate in 20.0 mL (0.020L) of the 0.015-M (mol/L) solution as shown below:

n=0.020L*0.015\frac{mol}{L}=0.0003mol

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Best regards.

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