3 years ago

How many picograms are in 1 Megagram?

Chemistry

1 answer:

irga5000 [103]3 years ago

5 0

1 x 10^18 picograms
I hope it helps you

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How many moless is 4.91x10^22 molecules of H3PO4?

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1 : 6.023x10^23
X : 4.91x10^22

(6.023x10^23)X = 4.91x10^22

X = 4.91x10^22/6.023x10^23

X = 0.082 Moles

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What is the density of a substance that has a mass of 453g and a volume of 224mL?

Savatey [412]

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<h3>Further explanation</h3>

Given

mass of an object = 120 g

volume = 5 ml

Required

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Solution

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Density is the ratio of mass per unit volume

Density formula:

$\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}$

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m = mass

v = volume

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Which is one way scientists indicate how precise And accurate their experimental measurements are?

nadezda [96]

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