8- Sodium tripolyphosphate, NasPxO10, (molar mass of 368 g/mol) is a increase their cleaning power. Calculate the number of phosphorus atoms
compound
a. 2.01 x 1023
b. 4.21 x 1023
c. 1.45 x 1023
. 8.23 x 1023
. None of the above

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest