4 years ago

Which is and element A) Salad B) Sugar C) Water D) Potassium

Chemistry

1 answer:

Semenov [28]4 years ago

3 0

Answer:

the only element above is potassium

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A and B react together in this reversible reaction. A + 3B --> C + 2D. A mixture of 10 mol of A and 10 mol of B were left to

alexira [117]

Not multiple choice?

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4 years ago

A student wants to prepare a solution of cobalt(II) fluoride with a known molarity.

swat32

Answer:

$\large \boxed{\text{1.52 g}}$

Explanation:

1. Calculate the moles of CoF₂ needed

$n = \text{0.100 L} \times \dfrac{\text{0.157 mol}}{\text{1 L}} = \text{0.0157 mol}$

2. Calculate the mass of CoF₂

$m = \text{0.0157 mol} \times \dfrac{\text{96.93 g}}{\text{1 mol}} = \text{1.52 g}\\\\\text{ The student must measure out $\large \boxed{\textbf{1.52 g}}$ of cobalt(II) fluoride}$

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3 years ago

HELP! <br> A train travels 102 miles in 2 5/6 hours. What is its average speed in miles per hour?

aniked [119]

Answer:

36miles/hour

Explanation:

speed =distance÷time taken

102miles/2 5/6

102÷17/6

102×6/17

=36miles per hour

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3 years ago

Is my answer correct

Cerrena [4.2K]

Yes it’s correct.
An ionic bond is the transfer of electrons from a metal to a non-metal.

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3 years ago

How many moles are in 566 grams of CO2? Molar mass of CO2 = 44.0 g/mol

VARVARA [1.3K]

Answer:

Co2 grams to moles

How many grams CO2 in 1 mol? The answer is 44.0095. We assume you are converting between grams CO2 and mole. You can view more details on each measurement unit: molecular weight of CO2 or mol This compound is also known as Carbon Dioxide.

Explanation:

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3 years ago