3 years ago

How many molecules are in a sample of water with a mass of 36 grams

Chemistry

1 answer:

dezoksy [38]3 years ago

7 0

Answer:

1.2×10^24 molecules

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mart [117]

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2 years ago

HELP PLS !!!! :))Formula unit of Sr and CI<br><br> Formula unit of AI and S

xenn [34]

Answer : The formula unit of Sr & Cl is $SrCl_2$ and the formula unit of Al & S is $Al_2S_3$

Explanation :

Formula unit : it is defined as the lowest number ratio of ions of an elements in an ionic compound or covalent compound.

For the formula unit of Sr & Cl, two chloride ions $(Cl^-)$ are needed to neutralize the one strontium ion $(Sr^{2+})$ .

For the formula unit of Al & S, three sulfide ions $(S^{2-})$ are needed to neutralize the two aluminium ion $(Al^{3+})$ .

The formula unit of $SrCl_2$ and $Al_2S_3$ are shown below.

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2 years ago

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1 year ago

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2 years ago

A mutation occurs whenever one of the bases in DNA is changed. What letters represent those bases?

kenny6666 [7]

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t: thymine

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