3 years ago

How many molecules of H3PO4 are in 125 g of H3PO4

Chemistry

1 answer:

vredina [299]3 years ago

8 0

Answer:

2.11 * 10^3 molecules of phosphoric acid

Explanation:

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2CO + O2 --> 2002

olga_2 [115]

8 moles I think I’m not sure

4 0

3 years ago

Find oxidation number for the aucl4 in haucl4 is it 1 or -1?

Romashka [77]

$H^{+I}Au^{+VII}Cl_{4}^{-I}$

7 0

3 years ago

Which of the following elements is rarely found in organic molecules?

fgiga [73]

Answer:

C: Carbon

Explanation:

Hydrogen, oxygen, and carbon are the most important elements in organic compounds.

8 0

3 years ago

HELPP ME PLEASE!! What would be the density of a 40 g object that displaces 10 ml of water?

Snezhnost [94]

Answer:

<h2>The answer is 4.0 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass = 40 g

volume = 10 mL

The density of the object is

$density = \frac{40}{10} = 4 \\$

We have the final answer as

Hope this helps you

5 0

3 years ago

You need to determine the specific gravity of a sample. After putting the sample on a lab scale, you know it has a mass of 85 gr

BlackZzzverrR [31]

Answer:

Specific gravity of the sample = 8.947

Explanation:

Specific gravity of a substance is defined as the density of that substance divided by the density of water.

Density of water = 1000g/l

Density of substance = mass/volume

= 85/9.5 x 10^-3

= 8947.37 g/l

SG = 8947.37/1000

= 8.947

3 0

3 years ago