3 years ago

What is the correct formula for calcium dihydrogen phosphate?

Chemistry

1 answer:

ki77a [65]3 years ago

5 0

Answer:

CaH4P2O8

hope this helps

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Indicate whether the following interactions of matter include a physical or chemical change. P/C? Evidence

Anarel [89]

1. CHEM CHANGE
2. PHYS CHANGE
3. CHEM CHANGE
4. CHEM CHANGE
5. PHYS CHANGE

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3 years ago

Convert the following:

Xelga [282]

56 cm $^{3}$ because 1 cm $^{3}$ =1mL
2200000 mg because 1 kg = 1000 mg
2.2 km because 1000 m = 1km
"Kilo" means 1000.

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3 years ago

It is easier to determine the electron configurations for the p-block elements in periods 1, 2, and 3 than to determine the elec

babymother [125]

Answer:

Their electrons are placed in a higher number of orbitals

Explanation:

Suppose a element be Ga .

The atomic no is 31

The configuration is given by

$\\ \sf\longmapsto 1s^22s^22p^63ss^23p^63d^{10}4s^24p^1$

$\\ \sf\longmapsto [Ar]3d^{10}4s^24p^1$

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3 years ago

Please somebody help I have no idea what the correct answer is! (iii) and (iv)

brilliants [131]

Since phosphoric acid is H3PO4, which is known from PO4, with a charge of 3- so 3 hydrogen would balance it out, and sodium hydroxide is NaOH, it can be assumed that it results in H3(OH)3 + Na3PO4.

3 0

4 years ago

In experiment 1, how many moles of benzoic acid are present? how many moles of sodium bicarbonate are contained in 1 ml of a 10%

nexus9112 [7]

First, let us calculate the moles of solute or sodium bicarbonate is in the 1 ml solution.

<span>moles = 1 mL * (1 g / 9 mL) = 0.11 moles</span>

The molar mass of sodium bicarbonate is 84 g/mol, therefore the mass is:

mass = 0.11 moles * 84 g/mol

6 0

4 years ago