In the test of halide ions, we add acid but won't it react with the solution that might contain halide ions

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.

What is the chemical formula for dihydrogen monoxide